diff --git a/target_chains/cosmwasm/Cargo.lock b/target_chains/cosmwasm/Cargo.lock
index 905686a42f..cc448c9a27 100644
--- a/target_chains/cosmwasm/Cargo.lock
+++ b/target_chains/cosmwasm/Cargo.lock
@@ -67,18 +67,36 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce"
 
+[[package]]
+name = "base16ct"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
+
 [[package]]
 name = "base64"
 version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.21.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
 [[package]]
 name = "base64ct"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
+[[package]]
+name = "bech32"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d86b93f97252c47b41663388e6d155714a9d0c398b99f1005cbc5f978b29f445"
+
 [[package]]
 name = "bigint"
 version = "4.4.3"
@@ -129,6 +147,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
+[[package]]
+name = "bnum"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56953345e39537a3e18bdaeba4cb0c58a78c1f61f361dc0fa7c5c7340ae87c5f"
+
 [[package]]
 name = "borsh"
 version = "0.9.3"
@@ -275,7 +299,7 @@ checksum = "fdde5c9cd29ebd706ce1b35600920a33550e402fc998a2e53ad3b42c3c47a192"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -343,9 +367,22 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f22add0f9b2a5416df98c1d0248a8d8eedb882c38fbf0c5052b64eebe865df6d"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
+ "ed25519-zebra",
+ "k256 0.11.6",
+ "rand_core 0.6.4",
+ "thiserror",
+]
+
+[[package]]
+name = "cosmwasm-crypto"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8b08e6670ab9e13a1a8a9cfad8fdad48bf0aaf88a6e81f39f2d9b2fc79b1890"
+dependencies = [
+ "digest 0.10.7",
  "ed25519-zebra",
- "k256",
+ "k256 0.13.3",
  "rand_core 0.6.4",
  "thiserror",
 ]
@@ -359,13 +396,35 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "cosmwasm-derive"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8b0918fc1a24b2ee08142c8d99d03f4c8e6d74244bdb304dbb29c0dab8e77e9"
+dependencies = [
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "cosmwasm-schema"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe5ad2e23a971b9e4cd57b20cee3e2e79c33799bed4b128e473aca3702bfe5dd"
 dependencies = [
- "cosmwasm-schema-derive",
+ "cosmwasm-schema-derive 1.2.3",
+ "schemars",
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
+[[package]]
+name = "cosmwasm-schema"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26dbdb5800ca67f2f2f938d67db59a7c5434af133c3e508779a4df7a9b5d533b"
+dependencies = [
+ "cosmwasm-schema-derive 2.0.2",
  "schemars",
  "serde",
  "serde_json",
@@ -383,33 +442,66 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "cosmwasm-schema-derive"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8ee47cf29f7688ebfa6ade8ddabcf51fc153f1157a3b46f5b4b1ce7a0316fdf"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "cosmwasm-std"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76fee88ff5bf7bef55bd37ac0619974701b99bf6bd4b16cf56ee8810718abd71"
 dependencies = [
- "base64",
- "cosmwasm-crypto",
- "cosmwasm-derive",
+ "base64 0.13.1",
+ "cosmwasm-crypto 1.2.3",
+ "cosmwasm-derive 1.2.3",
  "derivative",
  "forward_ref",
  "hex",
  "schemars",
  "serde",
- "serde-json-wasm",
+ "serde-json-wasm 0.5.1",
  "sha2 0.10.6",
  "thiserror",
  "uint",
 ]
 
+[[package]]
+name = "cosmwasm-std"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88191bd0d4743613eb7a2f086acb0838404cb531bf658382effafc7ba91e8320"
+dependencies = [
+ "base64 0.21.7",
+ "bech32",
+ "bnum",
+ "cosmwasm-crypto 2.0.2",
+ "cosmwasm-derive 2.0.2",
+ "derivative",
+ "forward_ref",
+ "hex",
+ "schemars",
+ "serde",
+ "serde-json-wasm 1.0.1",
+ "sha2 0.10.6",
+ "static_assertions",
+ "thiserror",
+]
+
 [[package]]
 name = "cosmwasm-storage"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "639bc36408bc1ac45e3323166ceeb8f0b91b55a941c4ad59d389829002fbbd94"
 dependencies = [
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "serde",
 ]
 
@@ -422,8 +514,8 @@ dependencies = [
  "bitflags",
  "bytecheck",
  "clru",
- "cosmwasm-crypto",
- "cosmwasm-std",
+ "cosmwasm-crypto 1.2.3",
+ "cosmwasm-std 1.2.3",
  "enumset",
  "hex",
  "loupe",
@@ -581,6 +673,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "crypto-bigint"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
+dependencies = [
+ "generic-array",
+ "rand_core 0.6.4",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "crypto-common"
 version = "0.1.6"
@@ -620,7 +724,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9dbaecb78c8e8abfd6b4258c7f4fbeb5c49a5e45ee4d910d3240ee8e1d714e1b"
 dependencies = [
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "schemars",
  "serde",
  "thiserror",
@@ -632,7 +736,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4cb782b8f110819a4eb5dbbcfed25ffba49ec16bbe32b4ad8da50a5ce68fec05"
 dependencies = [
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "cw-utils",
  "schemars",
  "serde",
@@ -682,6 +786,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f55bf8e7b65898637379c1b74eb1551107c8294ed26d855ceb9fd1a09cfc9bc0"
+dependencies = [
+ "const-oid",
+ "zeroize",
+]
+
 [[package]]
 name = "derivative"
 version = "2.2.0"
@@ -704,11 +818,12 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.6"
+version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer 0.10.4",
+ "const-oid",
  "crypto-common",
  "subtle",
 ]
@@ -751,10 +866,24 @@ version = "0.14.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c"
 dependencies = [
- "der",
- "elliptic-curve",
- "rfc6979",
- "signature",
+ "der 0.6.1",
+ "elliptic-curve 0.12.3",
+ "rfc6979 0.3.1",
+ "signature 1.6.4",
+]
+
+[[package]]
+name = "ecdsa"
+version = "0.16.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee27f32b5c5292967d2d4a9d7f1e0b0aed2c15daded5a60300e4abb9d8020bca"
+dependencies = [
+ "der 0.7.9",
+ "digest 0.10.7",
+ "elliptic-curve 0.13.8",
+ "rfc6979 0.4.0",
+ "signature 2.2.0",
+ "spki 0.7.3",
 ]
 
 [[package]]
@@ -784,16 +913,35 @@ version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3"
 dependencies = [
- "base16ct",
- "crypto-bigint",
- "der",
- "digest 0.10.6",
- "ff",
+ "base16ct 0.1.1",
+ "crypto-bigint 0.4.9",
+ "der 0.6.1",
+ "digest 0.10.7",
+ "ff 0.12.1",
+ "generic-array",
+ "group 0.12.1",
+ "pkcs8 0.9.0",
+ "rand_core 0.6.4",
+ "sec1 0.3.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "elliptic-curve"
+version = "0.13.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b5e6043086bf7973472e0c7dff2142ea0b680d30e18d9cc40f267efbf222bd47"
+dependencies = [
+ "base16ct 0.2.0",
+ "crypto-bigint 0.5.5",
+ "digest 0.10.7",
+ "ff 0.13.0",
  "generic-array",
- "group",
- "pkcs8",
+ "group 0.13.0",
+ "pkcs8 0.10.2",
  "rand_core 0.6.4",
- "sec1",
+ "sec1 0.7.3",
  "subtle",
  "zeroize",
 ]
@@ -894,6 +1042,16 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "ff"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
+dependencies = [
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -914,6 +1072,7 @@ checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
 dependencies = [
  "typenum",
  "version_check",
+ "zeroize",
 ]
 
 [[package]]
@@ -950,7 +1109,18 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dfbfb3a6cfbd390d5c9564ab283a0349b9b9fcd46a706c1eb10e0db70bfbac7"
 dependencies = [
- "ff",
+ "ff 0.12.1",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
+[[package]]
+name = "group"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
+dependencies = [
+ "ff 0.13.0",
  "rand_core 0.6.4",
  "subtle",
 ]
@@ -1013,7 +1183,7 @@ version = "0.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -1101,9 +1271,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72c1e0b51e7ec0a97369623508396067a486bd0cbed95a2659a4b863d28cfc8b"
 dependencies = [
  "cfg-if",
- "ecdsa",
- "elliptic-curve",
+ "ecdsa 0.14.8",
+ "elliptic-curve 0.12.3",
+ "sha2 0.10.6",
+]
+
+[[package]]
+name = "k256"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "956ff9b67e26e1a6a866cb758f12c6f8746208489e3e4a4b5580802f2f0a587b"
+dependencies = [
+ "cfg-if",
+ "ecdsa 0.16.9",
+ "elliptic-curve 0.13.8",
+ "once_cell",
  "sha2 0.10.6",
+ "signature 2.2.0",
 ]
 
 [[package]]
@@ -1150,7 +1334,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95b09eff1b35ed3b33b877ced3a691fc7a481919c7e29c53c906226fcf55e2a1"
 dependencies = [
  "arrayref",
- "base64",
+ "base64 0.13.1",
  "digest 0.9.0",
  "hmac-drbg",
  "libsecp256k1-core",
@@ -1393,9 +1577,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.17.1"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7e5500299e16ebb147ae15a00a942af264cf3688f47923b8fc2cd5858f23ad3"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "opaque-debug"
@@ -1410,7 +1594,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a10a056b61279b3529aeaa623b0a4b37b39b4b7061e833ff963fb4bc614d5e13"
 dependencies = [
  "chrono",
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "osmosis-std-derive",
  "prost",
  "prost-types",
@@ -1449,8 +1633,18 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9eca2c590a5f85da82668fa685c09ce2888b9430e83299debf1f34b65fd4a4ba"
 dependencies = [
- "der",
- "spki",
+ "der 0.6.1",
+ "spki 0.6.0",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der 0.7.9",
+ "spki 0.7.3",
 ]
 
 [[package]]
@@ -1494,9 +1688,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.56"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b63bdb0cd06f1f4dedf69b254734f9b45af66e4a031e42a7480257d9898b435"
+checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
 dependencies = [
  "unicode-ident",
 ]
@@ -1568,8 +1762,8 @@ version = "1.3.0"
 dependencies = [
  "bigint",
  "byteorder",
- "cosmwasm-schema",
- "cosmwasm-std",
+ "cosmwasm-schema 1.2.3",
+ "cosmwasm-std 1.2.3",
  "cosmwasm-storage",
  "cosmwasm-vm",
  "generic-array",
@@ -1623,8 +1817,8 @@ dependencies = [
 name = "pyth-sdk-cw"
 version = "1.2.1"
 dependencies = [
- "cosmwasm-schema",
- "cosmwasm-std",
+ "cosmwasm-schema 2.0.2",
+ "cosmwasm-std 2.0.2",
  "pyth-sdk 0.7.0",
  "thiserror",
 ]
@@ -1661,9 +1855,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.26"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4424af4bf778aae2051a77b60283332f386554255d722233d09fbfc7e30da2fc"
+checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
 dependencies = [
  "proc-macro2",
 ]
@@ -1779,11 +1973,21 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7743f17af12fa0b03b803ba12cd6a8d9483a587e89c69445e3909655c0b9fabb"
 dependencies = [
- "crypto-bigint",
+ "crypto-bigint 0.4.9",
  "hmac 0.12.1",
  "zeroize",
 ]
 
+[[package]]
+name = "rfc6979"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dd2a808d456c4a54e300a23e9f5a67e122c3024119acbfd73e3bf664491cb2"
+dependencies = [
+ "hmac 0.12.1",
+ "subtle",
+]
+
 [[package]]
 name = "rkyv"
 version = "0.7.41"
@@ -1898,10 +2102,24 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928"
 dependencies = [
- "base16ct",
- "der",
+ "base16ct 0.1.1",
+ "der 0.6.1",
+ "generic-array",
+ "pkcs8 0.9.0",
+ "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "sec1"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3e97a565f76233a6003f9f5c54be1d9c5bdfa3eccfb189469f11ec4901c47dc"
+dependencies = [
+ "base16ct 0.2.0",
+ "der 0.7.9",
  "generic-array",
- "pkcs8",
+ "pkcs8 0.10.2",
  "subtle",
  "zeroize",
 ]
@@ -1914,9 +2132,9 @@ checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
 [[package]]
 name = "serde"
-version = "1.0.160"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb2f3770c8bce3bcda7e149193a069a0f4365bda1fa5cd88e03bca26afc1216c"
+checksum = "0c9f6e76df036c77cd94996771fb40db98187f096dd0b9af39c6c6e452ba966a"
 dependencies = [
  "serde_derive",
 ]
@@ -1939,6 +2157,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde-json-wasm"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f05da0d153dd4595bdffd5099dc0e9ce425b205ee648eb93437ff7302af8c9a5"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.9"
@@ -1950,13 +2177,13 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.160"
+version = "1.0.199"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291a097c63d8497e00160b166a967a4a79c64f3facdd01cbd7502231688d77df"
+checksum = "11bd257a6541e141e42ca6d24ae26f7714887b47e89aa739099104c7e4d3b7fc"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -1989,7 +2216,7 @@ checksum = "bcec881020c684085e55a25f7fd888954d56609ef363479dc5a1305eb0d40cab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -1998,7 +2225,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24b022bf813578a06341fd453c3fd6e64945d9975191193d5d45e8dbd97d1d84"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "itoa",
  "serde",
  "serde_bytes",
@@ -2026,7 +2253,7 @@ checksum = "82e6b795fe2e3b1e845bafcb27aa35405c4d47cdfc92af5fc8d3002f76cebdc0"
 dependencies = [
  "cfg-if",
  "cpufeatures",
- "digest 0.10.6",
+ "digest 0.10.7",
 ]
 
 [[package]]
@@ -2047,7 +2274,7 @@ version = "0.10.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75872d278a8f37ef87fa0ddbda7802605cb18344497949862c0d4dcb291eba60"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
  "keccak",
 ]
 
@@ -2057,7 +2284,17 @@ version = "1.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c"
 dependencies = [
- "digest 0.10.6",
+ "digest 0.10.7",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest 0.10.7",
  "rand_core 0.6.4",
 ]
 
@@ -2089,7 +2326,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b"
 dependencies = [
  "base64ct",
- "der",
+ "der 0.6.1",
+]
+
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der 0.7.9",
 ]
 
 [[package]]
@@ -2123,9 +2370,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.15"
+version = "2.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a34fcf3e8b60f57e6a14301a2e916d323af98b0ea63c599441eec8558660c822"
+checksum = "909518bc7b1c9b779f1bbf07f2929d35af9f0f37e47c6e9ef7f9dddc1e1821f3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2157,7 +2404,7 @@ version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9540f8489ec6e098de380c9fa8fa81fa95e502f87d63705aa6fba56817ad1a7"
 dependencies = [
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "cosmwasm-storage",
  "cw20",
  "protobuf",
@@ -2182,7 +2429,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.15",
+ "syn 2.0.60",
 ]
 
 [[package]]
@@ -2798,11 +3045,11 @@ name = "wormhole-cosmwasm"
 version = "0.1.0"
 source = "git+https://github.com/wormhole-foundation/wormhole?tag=rust-sdk-2024-01-25#55faa9ca1fe456e90e957b33aa7bcc565a33c3fa"
 dependencies = [
- "cosmwasm-std",
+ "cosmwasm-std 1.2.3",
  "cosmwasm-storage",
  "generic-array",
  "hex",
- "k256",
+ "k256 0.11.6",
  "schemars",
  "serde",
  "sha3 0.9.1",
@@ -2837,6 +3084,6 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
diff --git a/target_chains/cosmwasm/sdk/rust/Cargo.toml b/target_chains/cosmwasm/sdk/rust/Cargo.toml
index d1584e6b5f..35ca06affc 100644
--- a/target_chains/cosmwasm/sdk/rust/Cargo.toml
+++ b/target_chains/cosmwasm/sdk/rust/Cargo.toml
@@ -16,6 +16,6 @@ osmosis=[]
 
 [dependencies]
 pyth-sdk = "0.7.0"
-cosmwasm-std = { version = "1.0.0" }
-cosmwasm-schema = "1.1.9"
+cosmwasm-std = { version = "2.0.2" }
+cosmwasm-schema = "2.0.2"
 thiserror = "1.0.20"
diff --git a/target_chains/cosmwasm/sdk/rust/src/lib.rs b/target_chains/cosmwasm/sdk/rust/src/lib.rs
index a66e23cba5..e89a5987ff 100644
--- a/target_chains/cosmwasm/sdk/rust/src/lib.rs
+++ b/target_chains/cosmwasm/sdk/rust/src/lib.rs
@@ -13,7 +13,7 @@ use {
         QueryResponses,
     },
     cosmwasm_std::{
-        to_binary,
+        to_json_binary,
         Addr,
         Binary,
         Coin,
@@ -59,7 +59,7 @@ pub fn query_price_feed(
 ) -> StdResult<PriceFeedResponse> {
     let price_feed_response = querier.query(&QueryRequest::Wasm(WasmQuery::Smart {
         contract_addr: contract_addr.into_string(),
-        msg:           to_binary(&QueryMsg::PriceFeed { id })?,
+        msg:           to_json_binary(&QueryMsg::PriceFeed { id })?,
     }))?;
     Ok(price_feed_response)
 }
@@ -73,7 +73,7 @@ pub fn get_update_fee(
 ) -> StdResult<Coin> {
     querier.query(&QueryRequest::Wasm(WasmQuery::Smart {
         contract_addr: contract_addr.into_string(),
-        msg:           to_binary(&QueryMsg::GetUpdateFee {
+        msg:           to_json_binary(&QueryMsg::GetUpdateFee {
             vaas: price_update_vaas.to_vec(),
         })?,
     }))
@@ -90,7 +90,7 @@ pub fn get_update_fee_for_denom(
 ) -> StdResult<Coin> {
     querier.query(&QueryRequest::Wasm(WasmQuery::Smart {
         contract_addr: contract_addr.into_string(),
-        msg:           to_binary(&QueryMsg::GetUpdateFeeForDenom {
+        msg:           to_json_binary(&QueryMsg::GetUpdateFeeForDenom {
             vaas: price_update_vaas.to_vec(),
             denom,
         })?,
@@ -101,6 +101,6 @@ pub fn get_update_fee_for_denom(
 pub fn get_valid_time_period(querier: &QuerierWrapper, contract_addr: Addr) -> StdResult<Duration> {
     querier.query(&QueryRequest::Wasm(WasmQuery::Smart {
         contract_addr: contract_addr.into_string(),
-        msg:           to_binary(&QueryMsg::GetValidTimePeriod)?,
+        msg:           to_json_binary(&QueryMsg::GetValidTimePeriod)?,
     }))
 }
diff --git a/target_chains/cosmwasm/sdk/rust/src/testing.rs b/target_chains/cosmwasm/sdk/rust/src/testing.rs
index b202bdb015..9225e67e5c 100644
--- a/target_chains/cosmwasm/sdk/rust/src/testing.rs
+++ b/target_chains/cosmwasm/sdk/rust/src/testing.rs
@@ -7,19 +7,11 @@ use {
         QueryMsg,
     },
     cosmwasm_std::{
-        from_binary,
-        to_binary,
-        Binary,
-        Coin,
-        ContractResult,
-        QuerierResult,
-        SystemError,
-        SystemResult,
+        from_json, to_json_binary, Binary, Coin, ContractResult, QuerierResult, SystemError, SystemResult
     },
     std::{
         collections::HashMap,
         time::Duration,
-        u128,
     },
 };
 
@@ -58,18 +50,18 @@ impl MockPyth {
     /// `https://github.com/pyth-network/pyth-crosschain/blob/main/target_chains/cosmwasm/examples/cw-contract/src/contract.rs#L13`
     /// for how to use this handler within your tests.
     pub fn handle_wasm_query(&self, msg: &Binary) -> QuerierResult {
-        let query_msg = from_binary::<QueryMsg>(msg);
+        let query_msg = from_json::<QueryMsg>(msg);
         match query_msg {
             Ok(QueryMsg::PriceFeed { id }) => match self.feeds.get(&id) {
                 Some(feed) => {
-                    SystemResult::Ok(to_binary(&PriceFeedResponse { price_feed: *feed }).into())
+                    SystemResult::Ok(to_json_binary(&PriceFeedResponse { price_feed: *feed }).into())
                 }
                 None => SystemResult::Ok(ContractResult::from(Err(
                     PythContractError::PriceFeedNotFound,
                 ))),
             },
             Ok(QueryMsg::GetValidTimePeriod) => {
-                SystemResult::Ok(to_binary(&self.valid_time_period).into())
+                SystemResult::Ok(to_json_binary(&self.valid_time_period).into())
             }
 
             Ok(QueryMsg::GetUpdateFee { vaas }) => {
@@ -79,7 +71,7 @@ impl MockPyth {
                     .u128()
                     .checked_mul(vaas.len() as u128)
                     .unwrap();
-                SystemResult::Ok(to_binary(&Coin::new(new_amount, &self.fee_per_vaa.denom)).into())
+                SystemResult::Ok(to_json_binary(&Coin::new(new_amount, &self.fee_per_vaa.denom)).into())
             }
             #[cfg(feature = "osmosis")]
             Ok(QueryMsg::GetUpdateFeeForDenom { vaas, denom }) => {
@@ -89,7 +81,7 @@ impl MockPyth {
                     .u128()
                     .checked_mul(vaas.len() as u128)
                     .unwrap();
-                SystemResult::Ok(to_binary(&Coin::new(new_amount, denom)).into())
+                SystemResult::Ok(to_json_binary(&Coin::new(new_amount, denom)).into())
             }
             Err(_e) => SystemResult::Err(SystemError::InvalidRequest {
                 error:   "Invalid message".into(),