diff --git a/flake.lock b/flake.lock
index 21933c83..7526d1b5 100644
--- a/flake.lock
+++ b/flake.lock
@@ -47,21 +47,6 @@
         "type": "github"
       }
     },
-    "blank_2": {
-      "locked": {
-        "lastModified": 1625557891,
-        "narHash": "sha256-O8/MWsPBGhhyPoPLHZAuoZiiHo9q6FLlEeIDEXuj6T4=",
-        "owner": "divnix",
-        "repo": "blank",
-        "rev": "5a5d2684073d9f563072ed07c871d577a6c614a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "blank",
-        "type": "github"
-      }
-    },
     "cabal-32": {
       "flake": false,
       "locked": {
@@ -198,9 +183,9 @@
     },
     "deploy-rs": {
       "inputs": {
-        "flake-compat": "flake-compat_3",
-        "nixpkgs": "nixpkgs_5",
-        "utils": "utils_2"
+        "flake-compat": "flake-compat_2",
+        "nixpkgs": "nixpkgs_2",
+        "utils": "utils"
       },
       "locked": {
         "lastModified": 1648475189,
@@ -216,35 +201,6 @@
       }
     },
     "devshell": {
-      "inputs": {
-        "flake-utils": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1663445644,
-        "narHash": "sha256-+xVlcK60x7VY1vRJbNUEAHi17ZuoQxAIH4S4iUFUGBA=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "e3dc3e21594fe07bdb24bdf1c8657acaa4cb8f66",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
-    "devshell_2": {
       "inputs": {
         "flake-utils": [
           "serokell-nix",
@@ -276,35 +232,6 @@
       }
     },
     "dmerge": {
-      "inputs": {
-        "nixlib": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ],
-        "yants": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "yants"
-        ]
-      },
-      "locked": {
-        "lastModified": 1659548052,
-        "narHash": "sha256-fzI2gp1skGA8mQo/FBFrUAtY0GQkAIAaV/V127TJPyY=",
-        "owner": "divnix",
-        "repo": "data-merge",
-        "rev": "d160d18ce7b1a45b88344aa3f13ed1163954b497",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "data-merge",
-        "type": "github"
-      }
-    },
-    "dmerge_2": {
       "inputs": {
         "nixlib": [
           "serokell-nix",
@@ -353,22 +280,6 @@
       }
     },
     "flake-compat_2": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1650374568,
-        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-compat_3": {
       "flake": false,
       "locked": {
         "lastModified": 1648199409,
@@ -384,7 +295,7 @@
         "type": "github"
       }
     },
-    "flake-compat_4": {
+    "flake-compat_3": {
       "flake": false,
       "locked": {
         "lastModified": 1627913399,
@@ -399,7 +310,7 @@
         "type": "indirect"
       }
     },
-    "flake-compat_5": {
+    "flake-compat_4": {
       "flake": false,
       "locked": {
         "lastModified": 1672831974,
@@ -416,7 +327,7 @@
         "type": "github"
       }
     },
-    "flake-compat_6": {
+    "flake-compat_5": {
       "flake": false,
       "locked": {
         "lastModified": 1650374568,
@@ -451,50 +362,21 @@
     },
     "flake-utils_2": {
       "locked": {
-        "lastModified": 1667395993,
-        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
-        "owner": "numtide",
+        "lastModified": 1679360468,
+        "narHash": "sha256-LGnza3cfXF10Biw3ZTg0u9o9t7s680Ww200t5KkHTh8=",
+        "owner": "hamishmack",
         "repo": "flake-utils",
-        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "rev": "e1ea268ff47ad475443dbabcd54744b4e5b9d4f5",
         "type": "github"
       },
       "original": {
-        "owner": "numtide",
+        "owner": "hamishmack",
+        "ref": "hkm/nested-hydraJobs",
         "repo": "flake-utils",
         "type": "github"
       }
     },
     "flake-utils_3": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_4": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake-utils_5": {
       "locked": {
         "lastModified": 1631561581,
         "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
@@ -508,7 +390,7 @@
         "type": "indirect"
       }
     },
-    "flake-utils_6": {
+    "flake-utils_4": {
       "locked": {
         "lastModified": 1667395993,
         "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
@@ -523,7 +405,7 @@
         "type": "github"
       }
     },
-    "flake-utils_7": {
+    "flake-utils_5": {
       "locked": {
         "lastModified": 1653893745,
         "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
@@ -538,7 +420,7 @@
         "type": "github"
       }
     },
-    "flake-utils_8": {
+    "flake-utils_6": {
       "locked": {
         "lastModified": 1659877975,
         "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
@@ -622,27 +504,8 @@
     },
     "gomod2nix": {
       "inputs": {
-        "nixpkgs": "nixpkgs_2",
-        "utils": "utils"
-      },
-      "locked": {
-        "lastModified": 1655245309,
-        "narHash": "sha256-d/YPoQ/vFn1+GTmSdvbSBSTOai61FONxB4+Lt6w/IVI=",
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "rev": "40d32f82fc60d66402eb0972e6e368aeab3faf58",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tweag",
-        "repo": "gomod2nix",
-        "type": "github"
-      }
-    },
-    "gomod2nix_2": {
-      "inputs": {
-        "nixpkgs": "nixpkgs_7",
-        "utils": "utils_3"
+        "nixpkgs": "nixpkgs_4",
+        "utils": "utils_2"
       },
       "locked": {
         "lastModified": 1655245309,
@@ -661,11 +524,11 @@
     "hackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1678926579,
-        "narHash": "sha256-5t1QRBTsEM2wREtDf3xrHp9Kphs+AdQZKAEltaylIJQ=",
+        "lastModified": 1689208161,
+        "narHash": "sha256-qh5bnqYDhEhm9V5u6Z3eiYC5Dy9CAVKxQnSC3tHhO4A=",
         "owner": "input-output-hk",
         "repo": "hackage.nix",
-        "rev": "fb58b0ba5773c5f0211f284b0fae061426cf8267",
+        "rev": "521fbfc52df1ef8df4af20e75ca92e874a33b6b2",
         "type": "github"
       },
       "original": {
@@ -701,6 +564,8 @@
         "flake-utils": "flake-utils_2",
         "ghc-8.6.5-iohk": "ghc-8.6.5-iohk",
         "hackage": "hackage",
+        "hls-1.10": "hls-1.10",
+        "hls-2.0": "hls-2.0",
         "hpc-coveralls": "hpc-coveralls",
         "hydra": "hydra",
         "iserv-proxy": "iserv-proxy",
@@ -713,17 +578,17 @@
         "nixpkgs-2111": "nixpkgs-2111",
         "nixpkgs-2205": "nixpkgs-2205",
         "nixpkgs-2211": "nixpkgs-2211",
+        "nixpkgs-2305": "nixpkgs-2305",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "old-ghc-nix": "old-ghc-nix",
-        "stackage": "stackage",
-        "tullia": "tullia"
+        "stackage": "stackage"
       },
       "locked": {
-        "lastModified": 1678950661,
-        "narHash": "sha256-lvL54W90BTvwLVnFjPYmFVmgHyaGcFrt5FBy1F0rro8=",
+        "lastModified": 1689209503,
+        "narHash": "sha256-9U73sWQ/JKbBhOcij8/2/M/7MfoNZxTtek5Zws840Bs=",
         "owner": "input-output-hk",
         "repo": "haskell.nix",
-        "rev": "fce554bc6a41d12f7a18a0e8290bf43f925d7a29",
+        "rev": "50e7b671ca73ea9ab350d7f18ba434bf8393051a",
         "type": "github"
       },
       "original": {
@@ -738,8 +603,8 @@
         "cabal-34": "cabal-34_2",
         "cabal-36": "cabal-36_2",
         "cardano-shell": "cardano-shell_2",
-        "flake-compat": "flake-compat_5",
-        "flake-utils": "flake-utils_6",
+        "flake-compat": "flake-compat_4",
+        "flake-utils": "flake-utils_4",
         "ghc-8.6.5-iohk": "ghc-8.6.5-iohk_2",
         "hackage": "hackage_2",
         "hpc-coveralls": "hpc-coveralls_2",
@@ -758,7 +623,7 @@
         "nixpkgs-unstable": "nixpkgs-unstable_2",
         "old-ghc-nix": "old-ghc-nix_2",
         "stackage": "stackage_2",
-        "tullia": "tullia_2"
+        "tullia": "tullia"
       },
       "locked": {
         "lastModified": 1678950661,
@@ -773,6 +638,40 @@
         "type": "indirect"
       }
     },
+    "hls-1.10": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1680000865,
+        "narHash": "sha256-rc7iiUAcrHxwRM/s0ErEsSPxOR3u8t7DvFeWlMycWgo=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "b08691db779f7a35ff322b71e72a12f6e3376fd9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "1.10.0.0",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
+    "hls-2.0": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1687698105,
+        "narHash": "sha256-OHXlgRzs/kuJH8q7Sxh507H+0Rb8b7VOiPAjcY9sM1k=",
+        "owner": "haskell",
+        "repo": "haskell-language-server",
+        "rev": "783905f211ac63edf982dd1889c671653327e441",
+        "type": "github"
+      },
+      "original": {
+        "owner": "haskell",
+        "ref": "2.0.0.1",
+        "repo": "haskell-language-server",
+        "type": "github"
+      }
+    },
     "hpc-coveralls": {
       "flake": false,
       "locked": {
@@ -853,29 +752,6 @@
       }
     },
     "incl": {
-      "inputs": {
-        "nixlib": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1669263024,
-        "narHash": "sha256-E/+23NKtxAqYG/0ydYgxlgarKnxmDbg6rCMWnOBqn9Q=",
-        "owner": "divnix",
-        "repo": "incl",
-        "rev": "ce7bebaee048e4cd7ebdb4cee7885e00c4e2abca",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "incl",
-        "type": "github"
-      }
-    },
-    "incl_2": {
       "inputs": {
         "nixlib": [
           "serokell-nix",
@@ -982,35 +858,6 @@
       }
     },
     "n2c": {
-      "inputs": {
-        "flake-utils": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1665039323,
-        "narHash": "sha256-SAh3ZjFGsaCI8FRzXQyp56qcGdAqgKEfJWPCQ0Sr7tQ=",
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "b008fe329ffb59b67bf9e7b08ede6ee792f2741a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
-    "n2c_2": {
       "inputs": {
         "flake-utils": [
           "serokell-nix",
@@ -1064,8 +911,9 @@
     },
     "nix-nomad": {
       "inputs": {
-        "flake-compat": "flake-compat_2",
+        "flake-compat": "flake-compat_5",
         "flake-utils": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "nix2container",
@@ -1073,11 +921,13 @@
         ],
         "gomod2nix": "gomod2nix",
         "nixpkgs": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "nixpkgs"
         ],
         "nixpkgs-lib": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "nixpkgs"
@@ -1097,67 +947,10 @@
         "type": "github"
       }
     },
-    "nix-nomad_2": {
+    "nix2container": {
       "inputs": {
-        "flake-compat": "flake-compat_6",
-        "flake-utils": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "nix2container",
-          "flake-utils"
-        ],
-        "gomod2nix": "gomod2nix_2",
-        "nixpkgs": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "nixpkgs"
-        ],
-        "nixpkgs-lib": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1658277770,
-        "narHash": "sha256-T/PgG3wUn8Z2rnzfxf2VqlR1CBjInPE0l1yVzXxPnt0=",
-        "owner": "tristanpemble",
-        "repo": "nix-nomad",
-        "rev": "054adcbdd0a836ae1c20951b67ed549131fd2d70",
-        "type": "github"
-      },
-      "original": {
-        "owner": "tristanpemble",
-        "repo": "nix-nomad",
-        "type": "github"
-      }
-    },
-    "nix2container": {
-      "inputs": {
-        "flake-utils": "flake-utils_3",
-        "nixpkgs": "nixpkgs_3"
-      },
-      "locked": {
-        "lastModified": 1658567952,
-        "narHash": "sha256-XZ4ETYAMU7XcpEeAFP3NOl9yDXNuZAen/aIJ84G+VgA=",
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "rev": "60bb43d405991c1378baf15a40b5811a53e32ffa",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nlewo",
-        "repo": "nix2container",
-        "type": "github"
-      }
-    },
-    "nix2container_2": {
-      "inputs": {
-        "flake-utils": "flake-utils_7",
-        "nixpkgs": "nixpkgs_8"
+        "flake-utils": "flake-utils_5",
+        "nixpkgs": "nixpkgs_5"
       },
       "locked": {
         "lastModified": 1658567952,
@@ -1176,7 +969,7 @@
     "nix_2": {
       "inputs": {
         "lowdown-src": "lowdown-src_2",
-        "nixpkgs": "nixpkgs_6",
+        "nixpkgs": "nixpkgs_3",
         "nixpkgs-regression": "nixpkgs-regression_2"
       },
       "locked": {
@@ -1197,7 +990,7 @@
     "nix_3": {
       "inputs": {
         "lowdown-src": "lowdown-src_3",
-        "nixpkgs": "nixpkgs_10"
+        "nixpkgs": "nixpkgs_7"
       },
       "locked": {
         "lastModified": 1633098935,
@@ -1213,41 +1006,6 @@
       }
     },
     "nixago": {
-      "inputs": {
-        "flake-utils": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "flake-utils"
-        ],
-        "nixago-exts": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "nixpkgs": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1661824785,
-        "narHash": "sha256-/PnwdWoO/JugJZHtDUioQp3uRiWeXHUdgvoyNbXesz8=",
-        "owner": "nix-community",
-        "repo": "nixago",
-        "rev": "8c1f9e5f1578d4b2ea989f618588d62a335083c3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixago",
-        "type": "github"
-      }
-    },
-    "nixago_2": {
       "inputs": {
         "flake-utils": [
           "serokell-nix",
@@ -1399,11 +1157,11 @@
     },
     "nixpkgs-2205": {
       "locked": {
-        "lastModified": 1672580127,
-        "narHash": "sha256-3lW3xZslREhJogoOkjeZtlBtvFMyxHku7I/9IVehhT8=",
+        "lastModified": 1682600000,
+        "narHash": "sha256-ha4BehR1dh8EnXSoE1m/wyyYVvHI9txjW4w5/oxsW5Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0874168639713f547c05947c76124f78441ea46c",
+        "rev": "50fc86b75d2744e1ab3837ef74b53f103a9b55a0",
         "type": "github"
       },
       "original": {
@@ -1431,11 +1189,11 @@
     },
     "nixpkgs-2211": {
       "locked": {
-        "lastModified": 1675730325,
-        "narHash": "sha256-uNvD7fzO5hNlltNQUAFBPlcEjNG5Gkbhl/ROiX+GZU4=",
+        "lastModified": 1685314633,
+        "narHash": "sha256-8LXBPqTQXl5ofkjpJ18JcbmLJ/lWDoMxtUwiDYv0wro=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b7ce17b1ebf600a72178f6302c77b6382d09323f",
+        "rev": "c8a17ce7abc03c50cd072e9e6c9b389c5f61836b",
         "type": "github"
       },
       "original": {
@@ -1461,6 +1219,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-2305": {
+      "locked": {
+        "lastModified": 1685338297,
+        "narHash": "sha256-+Aq4O0Jn1W1q927ZHc3Zn6RO7bwQGmb6O8xYoGy0KrM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "6287b47dbfabbb8bfbb9b1b53d198ad58a774de4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-23.05-darwin",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-regression": {
       "locked": {
         "lastModified": 1643052045,
@@ -1495,11 +1269,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1675758091,
-        "narHash": "sha256-7gFSQbSVAFUHtGCNHPF7mPc5CcqDk9M2+inlVPZSneg=",
+        "lastModified": 1685347552,
+        "narHash": "sha256-9woSppRyUFo26yUffORTzttJ+apOt8MmCv6RxpPNTU4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "747927516efcb5e31ba03b7ff32f61f6d47e7d87",
+        "rev": "f2f1ec390714d303cf84ba086e34e45b450dd8c4",
         "type": "github"
       },
       "original": {
@@ -1525,83 +1299,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_10": {
-      "locked": {
-        "lastModified": 1632864508,
-        "narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "ref": "nixos-21.05-small",
-        "type": "indirect"
-      }
-    },
-    "nixpkgs_11": {
-      "locked": {
-        "lastModified": 1674736538,
-        "narHash": "sha256-/DszFMkAgYyB9dTWKkoZa9i0zcrA6Z4hYrOr/u/FSxY=",
-        "owner": "serokell",
-        "repo": "nixpkgs",
-        "rev": "1dfdbb65d77430fc0935e8592d0abc4addcce711",
-        "type": "github"
-      },
-      "original": {
-        "id": "nixpkgs",
-        "type": "indirect"
-      }
-    },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1653581809,
-        "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "83658b28fe638a170a19b8933aa008b30640fbd1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
-      "locked": {
-        "lastModified": 1654807842,
-        "narHash": "sha256-ADymZpr6LuTEBXcy6RtFHcUZdjKTBRTMYwu19WOx17E=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "fc909087cc3386955f21b4665731dbdaceefb1d8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_4": {
-      "locked": {
-        "lastModified": 1665087388,
-        "narHash": "sha256-FZFPuW9NWHJteATOf79rZfwfRn5fE0wi9kRzvGfDHPA=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "95fda953f6db2e9496d2682c4fc7b82f959878f7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_5": {
       "locked": {
         "lastModified": 1648219316,
         "narHash": "sha256-Ctij+dOi0ZZIfX5eMhgwugfvB+WZSrvVNAyAuANOsnQ=",
@@ -1617,7 +1315,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_6": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1657693803,
         "narHash": "sha256-G++2CJ9u0E7NNTAi9n5G8TdDmGJXcIjkJ3NF8cetQB8=",
@@ -1633,7 +1331,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_7": {
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1653581809,
         "narHash": "sha256-Uvka0V5MTGbeOfWte25+tfRL3moECDh1VwokWSZUdoY=",
@@ -1649,7 +1347,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_8": {
+    "nixpkgs_5": {
       "locked": {
         "lastModified": 1654807842,
         "narHash": "sha256-ADymZpr6LuTEBXcy6RtFHcUZdjKTBRTMYwu19WOx17E=",
@@ -1664,7 +1362,7 @@
         "type": "github"
       }
     },
-    "nixpkgs_9": {
+    "nixpkgs_6": {
       "locked": {
         "lastModified": 1665087388,
         "narHash": "sha256-FZFPuW9NWHJteATOf79rZfwfRn5fE0wi9kRzvGfDHPA=",
@@ -1680,22 +1378,36 @@
         "type": "github"
       }
     },
-    "nosys": {
+    "nixpkgs_7": {
       "locked": {
-        "lastModified": 1667881534,
-        "narHash": "sha256-FhwJ15uPLRsvaxtt/bNuqE/ykMpNAPF0upozFKhTtXM=",
-        "owner": "divnix",
-        "repo": "nosys",
-        "rev": "2d0d5207f6a230e9d0f660903f8db9807b54814f",
+        "lastModified": 1632864508,
+        "narHash": "sha256-d127FIvGR41XbVRDPVvozUPQ/uRHbHwvfyKHwEt5xFM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "82891b5e2c2359d7e58d08849e4c89511ab94234",
         "type": "github"
       },
       "original": {
-        "owner": "divnix",
-        "repo": "nosys",
+        "id": "nixpkgs",
+        "ref": "nixos-21.05-small",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs_8": {
+      "locked": {
+        "lastModified": 1674736538,
+        "narHash": "sha256-/DszFMkAgYyB9dTWKkoZa9i0zcrA6Z4hYrOr/u/FSxY=",
+        "owner": "serokell",
+        "repo": "nixpkgs",
+        "rev": "1dfdbb65d77430fc0935e8592d0abc4addcce711",
         "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
       }
     },
-    "nosys_2": {
+    "nosys": {
       "locked": {
         "lastModified": 1667881534,
         "narHash": "sha256-FhwJ15uPLRsvaxtt/bNuqE/ykMpNAPF0upozFKhTtXM=",
@@ -1754,13 +1466,13 @@
     "serokell-nix": {
       "inputs": {
         "deploy-rs": "deploy-rs",
-        "flake-compat": "flake-compat_4",
-        "flake-utils": "flake-utils_5",
+        "flake-compat": "flake-compat_3",
+        "flake-utils": "flake-utils_3",
         "get-tested-src": "get-tested-src",
         "gitignore-nix": "gitignore-nix",
         "haskell-nix": "haskell-nix_2",
         "nix": "nix_3",
-        "nixpkgs": "nixpkgs_11"
+        "nixpkgs": "nixpkgs_8"
       },
       "locked": {
         "lastModified": 1695391091,
@@ -1778,11 +1490,11 @@
     "stackage": {
       "flake": false,
       "locked": {
-        "lastModified": 1678925630,
-        "narHash": "sha256-rl8qnpAUJl4tRZpaZ5DpgSueNfreArW09t4zTnOaoYA=",
+        "lastModified": 1689034277,
+        "narHash": "sha256-Ido3tEL8bQKsHFlZa5X8lv+RW8ntplVV1Dcmdt5z3ww=",
         "owner": "input-output-hk",
         "repo": "stackage.nix",
-        "rev": "bf29b23fb77017e78c6e7b199b2c7bfb5079c4cd",
+        "rev": "7a999b71591f8d357d7c838d38ad787d171f3b1f",
         "type": "github"
       },
       "original": {
@@ -1810,6 +1522,7 @@
     "std": {
       "inputs": {
         "arion": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "std",
@@ -1818,15 +1531,17 @@
         "blank": "blank",
         "devshell": "devshell",
         "dmerge": "dmerge",
-        "flake-utils": "flake-utils_4",
+        "flake-utils": "flake-utils_6",
         "incl": "incl",
         "makes": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "std",
           "blank"
         ],
         "microvm": [
+          "serokell-nix",
           "haskell-nix",
           "tullia",
           "std",
@@ -1834,7 +1549,7 @@
         ],
         "n2c": "n2c",
         "nixago": "nixago",
-        "nixpkgs": "nixpkgs_4",
+        "nixpkgs": "nixpkgs_6",
         "nosys": "nosys",
         "yants": "yants"
       },
@@ -1852,54 +1567,6 @@
         "type": "github"
       }
     },
-    "std_2": {
-      "inputs": {
-        "arion": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "blank": "blank_2",
-        "devshell": "devshell_2",
-        "dmerge": "dmerge_2",
-        "flake-utils": "flake-utils_8",
-        "incl": "incl_2",
-        "makes": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "microvm": [
-          "serokell-nix",
-          "haskell-nix",
-          "tullia",
-          "std",
-          "blank"
-        ],
-        "n2c": "n2c_2",
-        "nixago": "nixago_2",
-        "nixpkgs": "nixpkgs_9",
-        "nosys": "nosys_2",
-        "yants": "yants_2"
-      },
-      "locked": {
-        "lastModified": 1674526466,
-        "narHash": "sha256-tMTaS0bqLx6VJ+K+ZT6xqsXNpzvSXJTmogkraBGzymg=",
-        "owner": "divnix",
-        "repo": "std",
-        "rev": "516387e3d8d059b50e742a2ff1909ed3c8f82826",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "std",
-        "type": "github"
-      }
-    },
     "systems": {
       "locked": {
         "lastModified": 1681028828,
@@ -1919,36 +1586,12 @@
       "inputs": {
         "nix-nomad": "nix-nomad",
         "nix2container": "nix2container",
-        "nixpkgs": [
-          "haskell-nix",
-          "nixpkgs"
-        ],
-        "std": "std"
-      },
-      "locked": {
-        "lastModified": 1675695930,
-        "narHash": "sha256-B7rEZ/DBUMlK1AcJ9ajnAPPxqXY6zW2SBX+51bZV0Ac=",
-        "owner": "input-output-hk",
-        "repo": "tullia",
-        "rev": "621365f2c725608f381b3ad5b57afef389fd4c31",
-        "type": "github"
-      },
-      "original": {
-        "owner": "input-output-hk",
-        "repo": "tullia",
-        "type": "github"
-      }
-    },
-    "tullia_2": {
-      "inputs": {
-        "nix-nomad": "nix-nomad_2",
-        "nix2container": "nix2container_2",
         "nixpkgs": [
           "serokell-nix",
           "haskell-nix",
           "nixpkgs"
         ],
-        "std": "std_2"
+        "std": "std"
       },
       "locked": {
         "lastModified": 1675695930,
@@ -1965,21 +1608,6 @@
       }
     },
     "utils": {
-      "locked": {
-        "lastModified": 1653893745,
-        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "utils_2": {
       "locked": {
         "lastModified": 1648297722,
         "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
@@ -1994,7 +1622,7 @@
         "type": "github"
       }
     },
-    "utils_3": {
+    "utils_2": {
       "locked": {
         "lastModified": 1653893745,
         "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
@@ -2010,29 +1638,6 @@
       }
     },
     "yants": {
-      "inputs": {
-        "nixpkgs": [
-          "haskell-nix",
-          "tullia",
-          "std",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1667096281,
-        "narHash": "sha256-wRRec6ze0gJHmGn6m57/zhz/Kdvp9HS4Nl5fkQ+uIuA=",
-        "owner": "divnix",
-        "repo": "yants",
-        "rev": "d18f356ec25cb94dc9c275870c3a7927a10f8c3c",
-        "type": "github"
-      },
-      "original": {
-        "owner": "divnix",
-        "repo": "yants",
-        "type": "github"
-      }
-    },
-    "yants_2": {
       "inputs": {
         "nixpkgs": [
           "serokell-nix",
diff --git a/flake.nix b/flake.nix
index e11af1a3..f1cffc19 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,7 +9,16 @@
   outputs = { self, flake-utils, haskell-nix, serokell-nix, ... }:
     flake-utils.lib.eachSystem [ "x86_64-linux" ] (system:
     let
-      pkgs = haskell-nix.legacyPackages.${system}.extend serokell-nix.overlay;
+      pkgs = haskell-nix.legacyPackages.${system}.extend
+        (haskell-nix.legacyPackages.${system}.lib.composeManyExtensions [
+          serokell-nix.overlay
+          # silly workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/21254
+          (final: prev: prev.lib.recursiveUpdate prev {
+            haskell-nix.iserv-proxy-exes.ghc902.iserv-proxy-interpreter.override =
+              attrs: prev.haskell-nix.iserv-proxy-exes.ghc902.iserv-proxy-interpreter.override
+                (attrs // { enableDebugRTS = false; });
+          })
+        ]);
 
       flake = (pkgs.haskell-nix.stackProject {
         src = builtins.path {