diff --git a/.envrc b/.envrc
new file mode 100644
index 000000000..5bf8fc159
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,3 @@
+source_url "https://raw.githubusercontent.com/cachix/devenv/95f329d49a8a5289d31e0982652f7058a189bfca/direnvrc" "sha256-d+8cBpDfDBj41inrADaJt+bDWhOktwslgoP5YiGJ1v0="
+
+use devenv
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 88b53f3c4..6dff93878 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,3 +54,12 @@ src/test/**/.DS_Store
 .bloop/
 .ammonite/
 project/metals.sbt
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
diff --git a/build.sbt b/build.sbt
index 955fd766c..1bf002291 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ enablePlugins(sbtdocker.DockerPlugin, JavaServerAppPackaging, JDebPackaging, Sys
 name := "vsys"
 organization := "systems.v"
 version := "0.4.2"
-scalaVersion in ThisBuild := "2.12.6"
+scalaVersion in ThisBuild := "2.12.18"
 crossPaths := false
 publishArtifact in (Compile, packageDoc) := false
 publishArtifact in (Compile, packageSrc) := false
diff --git a/devenv.lock b/devenv.lock
new file mode 100644
index 000000000..a7cb6e18d
--- /dev/null
+++ b/devenv.lock
@@ -0,0 +1,116 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1728452860,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "e7a0bc559f5a66aaa42f5028db6162c4dd4587eb",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1716977621,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "4267e705586473d3e5c8d50299e71503f16a6fb6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1728328465,
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "1bfbbbe5bbf888d675397c66bfdb275d0b99361c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1728092656,
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "1211305a5b237771e13fcca0c51e60ad47326a9a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/devenv.nix b/devenv.nix
new file mode 100644
index 000000000..7722688cc
--- /dev/null
+++ b/devenv.nix
@@ -0,0 +1,19 @@
+{ pkgs, lib, config, inputs, ... }:
+
+{
+	languages.java.jdk.package = pkgs.jdk21;
+	languages.scala.package = pkgs.scala;
+	languages.scala.enable = true;
+	languages.scala.sbt.package = pkgs.sbt;
+	languages.scala.sbt.enable = true;
+
+  packages = [ pkgs.curl pkgs.git ];
+
+	processes = {
+		sbt-package.exec = "sbt packageAll; exit";
+	};
+
+  enterShell = ''
+	echo "SBT environment"
+  '';
+}
diff --git a/devenv.yaml b/devenv.yaml
new file mode 100644
index 000000000..116a2adb3
--- /dev/null
+++ b/devenv.yaml
@@ -0,0 +1,15 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+
+# If you're using non-OSS software, you can set allowUnfree to true.
+# allowUnfree: true
+
+# If you're willing to use a package that's vulnerable
+# permittedInsecurePackages:
+#  - "openssl-1.1.1w"
+
+# If you have more than one devenv you can merge them
+#imports:
+# - ./backend
diff --git a/project/build.properties b/project/build.properties
index 31334bbd3..04267b14a 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.1.1
+sbt.version=1.9.9