diff --git a/packages/account/test/fixtures/chain.ts b/packages/account/test/fixtures/chain.ts
index 3be91c9af3..19ba34ae30 100644
--- a/packages/account/test/fixtures/chain.ts
+++ b/packages/account/test/fixtures/chain.ts
@@ -140,9 +140,9 @@ export const MOCK_CHAIN: GqlChainInfoFragment = {
       xor: '1',
       xori: '1',
       alocDependentCost: {
-        type: 'LightOperation',
+        type: 'HeavyOperation',
         base: '2',
-        unitsPerGas: '214',
+        gasPerUnit: '0',
       },
       cfe: {
         type: 'HeavyOperation',
diff --git a/packages/fuels/test/fixtures/project/.fuels/chainConfig.json b/packages/fuels/test/fixtures/project/.fuels/chainConfig.json
index 98f9c29c1a..2977a19e76 100644
--- a/packages/fuels/test/fixtures/project/.fuels/chainConfig.json
+++ b/packages/fuels/test/fixtures/project/.fuels/chainConfig.json
@@ -130,9 +130,9 @@
           "xor": 2,
           "xori": 2,
           "alocDependentCost": {
-            "LightOperation": {
+            "HeavyOperation": {
               "base": 2,
-              "unitsPerGas": 214
+              "gasPerUnit": 0
             }
           },
           "cfe": {
diff --git a/packages/utils/src/utils/defaultSnapshots/chainConfig.json b/packages/utils/src/utils/defaultSnapshots/chainConfig.json
index 563a728627..e4ea2be7c8 100644
--- a/packages/utils/src/utils/defaultSnapshots/chainConfig.json
+++ b/packages/utils/src/utils/defaultSnapshots/chainConfig.json
@@ -130,9 +130,9 @@
           "xor": 2,
           "xori": 2,
           "alocDependentCost": {
-            "LightOperation": {
+            "HeavyOperation": {
               "base": 2,
-              "unitsPerGas": 214
+              "gasPerUnit": 0
             }
           },
           "cfe": {