diff --git a/contracts/phoenix-escrow/Cargo.lock b/contracts/phoenix-escrow/Cargo.lock
index 0ef3b012..a14073d6 100644
--- a/contracts/phoenix-escrow/Cargo.lock
+++ b/contracts/phoenix-escrow/Cargo.lock
@@ -125,8 +125,22 @@ version = "1.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5526ea839acb47bbf8fff031ed9aad86e74d43f77b089255417328c3664367d5"
 dependencies = [
- "cosmwasm-schema-derive",
- "schemars",
+ "cosmwasm-schema-derive 1.5.11",
+ "schemars 0.8.22",
+ "serde",
+ "serde_json",
+ "thiserror",
+]
+
+[[package]]
+name = "cosmwasm-schema"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c656f492d3b1b6adc9d6fd5894dd381a060da50ec4a0fd0363db413fba5a573"
+dependencies = [
+ "cosmwasm-schema-derive 3.0.4",
+ "cw-schema",
+ "schemars 0.8.22",
  "serde",
  "serde_json",
  "thiserror",
@@ -143,6 +157,17 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "cosmwasm-schema-derive"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d8454339d110cf03c3423326b5680539eab57600c34322fd1256d87cf5082b8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "cosmwasm-std"
 version = "1.5.11"
@@ -157,7 +182,7 @@ dependencies = [
  "derivative",
  "forward_ref",
  "hex",
- "schemars",
+ "schemars 0.8.22",
  "serde",
  "serde-json-wasm",
  "sha2 0.10.9",
@@ -242,14 +267,43 @@ dependencies = [
  "cw-storage-plus",
  "cw-utils",
  "derivative",
- "itertools",
+ "itertools 0.10.5",
  "k256 0.11.6",
  "prost",
- "schemars",
+ "schemars 0.8.22",
  "serde",
  "thiserror",
 ]
 
+[[package]]
+name = "cw-schema"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1afc2f9e2990ed379a302f58c3947275379260a22ead60e6af9e51e0ea1892fa"
+dependencies = [
+ "cw-schema-derive",
+ "indexmap",
+ "schemars 1.2.1",
+ "serde",
+ "serde_with",
+ "siphasher",
+ "typeid",
+]
+
+[[package]]
+name = "cw-schema-derive"
+version = "3.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5e230a4f41e14e753e41d3521b588a2011f0b8712f846ef432e07f8abcdd2ddc"
+dependencies = [
+ "heck",
+ "itertools 0.13.0",
+ "owo-colors",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "cw-storage-plus"
 version = "1.2.0"
@@ -257,7 +311,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d5ff29294ee99373e2cd5fd21786a3c0ced99a52fec2ca347d565489c61b723c"
 dependencies = [
  "cosmwasm-std",
- "schemars",
+ "schemars 0.8.22",
  "serde",
 ]
 
@@ -267,10 +321,10 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c4a657e5caacc3a0d00ee96ca8618745d050b8f757c709babafb81208d4239c"
 dependencies = [
- "cosmwasm-schema",
+ "cosmwasm-schema 1.5.11",
  "cosmwasm-std",
  "cw2",
- "schemars",
+ "schemars 0.8.22",
  "semver",
  "serde",
  "thiserror",
@@ -282,15 +336,50 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c6c120b24fbbf5c3bedebb97f2cc85fbfa1c3287e09223428e7e597b5293c1fa"
 dependencies = [
- "cosmwasm-schema",
+ "cosmwasm-schema 1.5.11",
  "cosmwasm-std",
  "cw-storage-plus",
- "schemars",
+ "schemars 0.8.22",
  "semver",
  "serde",
  "thiserror",
 ]
 
+[[package]]
+name = "darling"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cdf337090841a411e2a7f3deb9187445851f91b309c0c0a29e05f74a00a48c0"
+dependencies = [
+ "darling_core",
+ "darling_macro",
+]
+
+[[package]]
+name = "darling_core"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1247195ecd7e3c85f83c8d2a366e4210d588e802133e1e355180a9870b517ea4"
+dependencies = [
+ "fnv",
+ "ident_case",
+ "proc-macro2",
+ "quote",
+ "strsim",
+ "syn 2.0.114",
+]
+
+[[package]]
+name = "darling_macro"
+version = "0.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
+dependencies = [
+ "darling_core",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "der"
 version = "0.6.1"
@@ -382,7 +471,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c24f403d068ad0b359e577a77f92392118be3f3c927538f2bb544a5ecd828c6"
 dependencies = [
  "curve25519-dalek",
- "hashbrown",
+ "hashbrown 0.12.3",
  "hex",
  "rand_core 0.6.4",
  "serde",
@@ -435,6 +524,12 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
 [[package]]
 name = "ff"
 version = "0.12.1"
@@ -455,6 +550,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "fnv"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
 [[package]]
 name = "forward_ref"
 version = "1.0.0"
@@ -514,6 +615,24 @@ dependencies = [
  "ahash",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
+
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "hermit-abi"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -529,6 +648,39 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[package]]
+name = "ident_case"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+
+[[package]]
+name = "indexmap"
+version = "2.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.16.1",
+]
+
+[[package]]
+name = "is-terminal"
+version = "0.4.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "is_ci"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7655c9839580ee829dfacba1d1278c2b7883e50a277ff7541299489d6bdfdc45"
+
 [[package]]
 name = "itertools"
 version = "0.10.5"
@@ -538,6 +690,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.17"
@@ -594,17 +755,27 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
+[[package]]
+name = "owo-colors"
+version = "4.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d211803b9b6b570f68772237e415a029d5a50c65d382910b879fb19d3271f94d"
+dependencies = [
+ "supports-color 2.1.0",
+ "supports-color 3.0.2",
+]
+
 [[package]]
 name = "phoenix-escrow"
 version = "1.0.0"
 dependencies = [
- "cosmwasm-schema",
+ "cosmwasm-schema 3.0.4",
  "cosmwasm-std",
  "cosmwasm-storage",
  "cw-multi-test",
  "cw-storage-plus",
  "cw2",
- "schemars",
+ "schemars 0.8.22",
  "serde",
  "thiserror",
 ]
@@ -655,7 +826,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f9cc1a3263e07e0bf68e96268f37665207b49560d98739662cdfaae215c720fe"
 dependencies = [
  "anyhow",
- "itertools",
+ "itertools 0.10.5",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -685,6 +856,26 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f354300ae66f76f1c85c5f84693f0ce81d747e2c3f21a45fef496d89c960bf7d"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "rfc6979"
 version = "0.3.1"
@@ -713,7 +904,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fbf2ae1b8bc8e02df939598064d22402220cd5bbcca1c76f7d6a310974d5615"
 dependencies = [
  "dyn-clone",
- "schemars_derive",
+ "schemars_derive 0.8.22",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2b42f36aa1cd011945615b92222f6bf73c599a102a300334cd7f8dbeec726cc"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "schemars_derive 1.2.1",
  "serde",
  "serde_json",
 ]
@@ -730,6 +934,18 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "schemars_derive"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d115b50f4aaeea07e79c1912f645c7513d81715d0420f8bc77a18c6260b307f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde_derive_internals",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "sec1"
 version = "0.3.0"
@@ -827,6 +1043,28 @@ dependencies = [
  "zmij",
 ]
 
+[[package]]
+name = "serde_with"
+version = "3.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fa237f2807440d238e0364a218270b98f767a00d3dada77b1c53ae88940e2e7"
+dependencies = [
+ "serde_core",
+ "serde_with_macros",
+]
+
+[[package]]
+name = "serde_with_macros"
+version = "3.16.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52a8e3ca0ca629121f70ab50f95249e5a6f925cc0f6ffe8256c45b728875706c"
+dependencies = [
+ "darling",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.114",
+]
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -871,6 +1109,12 @@ dependencies = [
  "rand_core 0.6.4",
 ]
 
+[[package]]
+name = "siphasher"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2aa850e253778c88a04c3d7323b043aeda9d3e30d5971937c1855769763678e"
+
 [[package]]
 name = "spki"
 version = "0.6.0"
@@ -897,12 +1141,37 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "strsim"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+
 [[package]]
 name = "subtle"
 version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "supports-color"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6398cde53adc3c4557306a96ce67b302968513830a77a95b2b17305d9719a89"
+dependencies = [
+ "is-terminal",
+ "is_ci",
+]
+
+[[package]]
+name = "supports-color"
+version = "3.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c64fc7232dd8d2e4ac5ce4ef302b1d81e0b80d055b9d77c7c4f51f6aa4c867d6"
+dependencies = [
+ "is_ci",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -945,6 +1214,12 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "typeid"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc7d623258602320d5c55d1bc22793b57daff0ec7efc270ea7d55ce1d5f5471c"
+
 [[package]]
 name = "typenum"
 version = "1.19.0"
@@ -969,6 +1244,21 @@ version = "0.11.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccf3ec651a847eb01de73ccad15eb7d99f80485de043efb2f370cd654f4ea44b"
 
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.8.2"
diff --git a/contracts/phoenix-escrow/Cargo.toml b/contracts/phoenix-escrow/Cargo.toml
index fa3cdf82..66524bd2 100644
--- a/contracts/phoenix-escrow/Cargo.toml
+++ b/contracts/phoenix-escrow/Cargo.toml
@@ -1,4 +1,4 @@
-[package]
+[package]
 name = "phoenix-escrow"
 version = "1.0.0"
 edition = "2021"
@@ -16,5 +16,5 @@ serde = { version = "1.0.188", features = ["derive"] }
 thiserror = "1.0.50"
 
 [dev-dependencies]
-cosmwasm-schema = "1.5.0"
+cosmwasm-schema = "3.0.4"
 cw-multi-test = "0.16.0"