diff --git a/testing/execution_engine_integration/src/genesis_json.rs b/testing/execution_engine_integration/src/genesis_json.rs
index 0de56fba3..c0b94e22e 100644
--- a/testing/execution_engine_integration/src/genesis_json.rs
+++ b/testing/execution_engine_integration/src/genesis_json.rs
@@ -43,7 +43,7 @@ pub fn geth_genesis_json() -> Value {
 
 /// Sourced from:
 ///
-/// https://github.com/NethermindEth/nethermind/blob/themerge_kintsugi/src/Nethermind/Chains/themerge_kintsugi_m2.json
+/// https://github.com/NethermindEth/nethermind/blob/kiln/src/Nethermind/Chains/themerge_kiln_testvectors.json
 pub fn nethermind_genesis_json() -> Value {
     json!({
         "name": "TheMerge_Devnet",
@@ -54,63 +54,63 @@ pub fn nethermind_genesis_json() -> Value {
                     "epoch": 30000
                 }
             }
-      },
-      "params": {
-        "gasLimitBoundDivisor": "0x400",
-        "accountStartNonce": "0x0",
-        "maximumExtraDataSize": "0x20",
-        "minGasLimit": "0x1388",
-        "networkID": 1,
-        "eip150Transition": "0x0",
-        "eip155Transition": "0x0",
-        "eip158Transition": "0x0",
-        "eip160Transition": "0x0",
-        "eip161abcTransition": "0x0",
-        "eip161dTransition": "0x0",
-        "eip140Transition": "0x0",
-        "eip211Transition": "0x0",
-        "eip214Transition": "0x0",
-        "eip658Transition": "0x0",
-        "eip145Transition": "0x0",
-        "eip1014Transition": "0x0",
-        "eip1052Transition": "0x0",
-        "eip1283Transition": "0x0",
-        "eip1283DisableTransition": "0x0",
-        "eip152Transition": "0x0",
-        "eip1108Transition": "0x0",
-        "eip1344Transition": "0x0",
-        "eip1884Transition": "0x0",
-        "eip2028Transition": "0x0",
-        "eip2200Transition": "0x0",
-        "eip2565Transition": "0x0",
-        "eip2929Transition": "0x0",
-        "eip2930Transition": "0x0",
-        "eip1559Transition": "0x0",
-        "eip3198Transition": "0x0",
-        "eip3529Transition": "0x0",
-        "eip3541Transition": "0x0"
-      },
-      "genesis": {
-          "seal": {
-              "ethereum": {
-                  "nonce": "0x42",
-                  "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
-              }
-          },
-          "difficulty": "0x000000000",
-          "author": "0x0000000000000000000000000000000000000000",
-          "timestamp": "0x0",
-          "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
-          "extraData":"0x0000000000000000000000000000000000000000000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-          "gasLimit":"0x1C9C380",
-          "author": "0x0000000000000000000000000000000000000000",
-          "parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
-          "baseFeePerGas":"0x7"
-      },
-      "accounts": {
-          "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
-              "balance":"0x6d6172697573766477000000"
-          }
-      }
+        },
+        "params": {
+            "gasLimitBoundDivisor": "0x400",
+            "accountStartNonce": "0x0",
+            "maximumExtraDataSize": "0x20",
+            "minGasLimit": "0x1388",
+            "networkID": 1,
+            "eip150Transition": "0x0",
+            "eip155Transition": "0x0",
+            "eip158Transition": "0x0",
+            "eip160Transition": "0x0",
+            "eip161abcTransition": "0x0",
+            "eip161dTransition": "0x0",
+            "eip140Transition": "0x0",
+            "eip211Transition": "0x0",
+            "eip214Transition": "0x0",
+            "eip658Transition": "0x0",
+            "eip145Transition": "0x0",
+            "eip1014Transition": "0x0",
+            "eip1052Transition": "0x0",
+            "eip1283Transition": "0x0",
+            "eip1283DisableTransition": "0x0",
+            "eip152Transition": "0x0",
+            "eip1108Transition": "0x0",
+            "eip1344Transition": "0x0",
+            "eip1884Transition": "0x0",
+            "eip2028Transition": "0x0",
+            "eip2200Transition": "0x0",
+            "eip2565Transition": "0x0",
+            "eip2929Transition": "0x0",
+            "eip2930Transition": "0x0",
+            "eip1559Transition": "0x0",
+            "eip3198Transition": "0x0",
+            "eip3529Transition": "0x0",
+            "eip3541Transition": "0x0"
+        },
+        "genesis": {
+            "seal": {
+                "ethereum": {
+                    "nonce": "0x42",
+                    "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "difficulty": "0x400000000",
+            "author": "0x0000000000000000000000000000000000000000",
+            "timestamp": "0x0",
+            "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "extraData":"0x0000000000000000000000000000000000000000000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "gasLimit":"0x1C9C380",
+            "author": "0x0000000000000000000000000000000000000000",
+            "parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
+            "baseFeePerGas":"0x7"
+        },
+        "accounts": {
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
+                "balance":"0x6d6172697573766477000000"
+            }
+        }
     })
 }