diff --git a/.gitignore b/.gitignore
index 2d69ed32..31c9ad7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,4 +24,5 @@ tmp/*
 **/.DS_Store
 
 .worktrees/
-.claude/
\ No newline at end of file
+.claude/
+Agents.md
diff --git a/operator/runtime/mainnet/src/configs/mod.rs b/operator/runtime/mainnet/src/configs/mod.rs
index a189e429..ec350c88 100644
--- a/operator/runtime/mainnet/src/configs/mod.rs
+++ b/operator/runtime/mainnet/src/configs/mod.rs
@@ -1012,27 +1012,27 @@ impl snowbridge_pallet_system_v2::Config for Runtime {
 parameter_types! {
     pub const ChainForkVersions: ForkVersions = ForkVersions {
         genesis: Fork {
-            version: [0, 0, 0, 0], // 0x00000000
+            version: hex_literal::hex!("10000038"),
             epoch: 0,
         },
         altair: Fork {
-            version: [1, 0, 0, 0], // 0x01000000
+            version: hex_literal::hex!("20000038"),
             epoch: 0,
         },
         bellatrix: Fork {
-            version: [2, 0, 0, 0], // 0x02000000
+            version: hex_literal::hex!("30000038"),
             epoch: 0,
         },
         capella: Fork {
-            version: [3, 0, 0, 0], // 0x03000000
+            version: hex_literal::hex!("40000038"),
             epoch: 0,
         },
         deneb: Fork {
-            version: [4, 0, 0, 0], // 0x04000000
+            version: hex_literal::hex!("50000038"),
             epoch: 0,
         },
         electra: Fork {
-            version: [5, 0, 0, 0], // 0x05000000
+            version: hex_literal::hex!("60000038"),
             epoch: 0,
         },
     };
diff --git a/operator/runtime/stagenet/src/configs/mod.rs b/operator/runtime/stagenet/src/configs/mod.rs
index 1a805d3d..8e8312d8 100644
--- a/operator/runtime/stagenet/src/configs/mod.rs
+++ b/operator/runtime/stagenet/src/configs/mod.rs
@@ -1011,27 +1011,27 @@ impl snowbridge_pallet_system_v2::Config for Runtime {
 parameter_types! {
     pub const ChainForkVersions: ForkVersions = ForkVersions {
         genesis: Fork {
-            version: [0, 0, 0, 0], // 0x00000000
+            version: hex_literal::hex!("10000038"),
             epoch: 0,
         },
         altair: Fork {
-            version: [1, 0, 0, 0], // 0x01000000
+            version: hex_literal::hex!("20000038"),
             epoch: 0,
         },
         bellatrix: Fork {
-            version: [2, 0, 0, 0], // 0x02000000
+            version: hex_literal::hex!("30000038"),
             epoch: 0,
         },
         capella: Fork {
-            version: [3, 0, 0, 0], // 0x03000000
+            version: hex_literal::hex!("40000038"),
             epoch: 0,
         },
         deneb: Fork {
-            version: [4, 0, 0, 0], // 0x04000000
+            version: hex_literal::hex!("50000038"),
             epoch: 0,
         },
         electra: Fork {
-            version: [5, 0, 0, 0], // 0x05000000
+            version: hex_literal::hex!("60000038"),
             epoch: 0,
         },
     };
diff --git a/operator/runtime/testnet/src/configs/mod.rs b/operator/runtime/testnet/src/configs/mod.rs
index 1086d9a1..2eb9eff1 100644
--- a/operator/runtime/testnet/src/configs/mod.rs
+++ b/operator/runtime/testnet/src/configs/mod.rs
@@ -1011,27 +1011,27 @@ impl snowbridge_pallet_system_v2::Config for Runtime {
 parameter_types! {
     pub const ChainForkVersions: ForkVersions = ForkVersions {
         genesis: Fork {
-            version: [0, 0, 0, 0], // 0x00000000
+            version: hex_literal::hex!("10000038"),
             epoch: 0,
         },
         altair: Fork {
-            version: [1, 0, 0, 0], // 0x01000000
+            version: hex_literal::hex!("20000038"),
             epoch: 0,
         },
         bellatrix: Fork {
-            version: [2, 0, 0, 0], // 0x02000000
+            version: hex_literal::hex!("30000038"),
             epoch: 0,
         },
         capella: Fork {
-            version: [3, 0, 0, 0], // 0x03000000
+            version: hex_literal::hex!("40000038"),
             epoch: 0,
         },
         deneb: Fork {
-            version: [4, 0, 0, 0], // 0x04000000
+            version: hex_literal::hex!("50000038"),
             epoch: 0,
         },
         electra: Fork {
-            version: [5, 0, 0, 0], // 0x05000000
+            version: hex_literal::hex!("60000038"),
             epoch: 0,
         },
     };
diff --git a/test/.papi/metadata/datahaven.scale b/test/.papi/metadata/datahaven.scale
index 78587390..a8fcf282 100644
Binary files a/test/.papi/metadata/datahaven.scale and b/test/.papi/metadata/datahaven.scale differ