diff --git a/packages/relay-kit/src/packs/safe-4337/Safe4337Pack.ts b/packages/relay-kit/src/packs/safe-4337/Safe4337Pack.ts
index 30ca23f9c..a657b6dab 100644
--- a/packages/relay-kit/src/packs/safe-4337/Safe4337Pack.ts
+++ b/packages/relay-kit/src/packs/safe-4337/Safe4337Pack.ts
@@ -432,6 +432,16 @@ export class Safe4337Pack extends RelayKitBasePack<{
     })
 
     if (estimateUserOperationGas) {
+      if (
+        feeEstimator.defaultVerificationGasLimitOverhead != null &&
+        estimateUserOperationGas.verificationGasLimit != null
+      ) {
+        estimateUserOperationGas.verificationGasLimit = (
+          BigInt(estimateUserOperationGas.verificationGasLimit) +
+          BigInt(threshold) * feeEstimator.defaultVerificationGasLimitOverhead
+        ).toString()
+      }
+
       safeOperation.addEstimations(estimateUserOperationGas)
     }
 
@@ -446,6 +456,15 @@ export class Safe4337Pack extends RelayKitBasePack<{
     })
 
     if (postEstimationData) {
+      if (
+        feeEstimator.defaultVerificationGasLimitOverhead != null &&
+        postEstimationData.verificationGasLimit != null
+      ) {
+        postEstimationData.verificationGasLimit = (
+          BigInt(postEstimationData.verificationGasLimit) +
+          BigInt(threshold) * feeEstimator.defaultVerificationGasLimitOverhead
+        ).toString()
+      }
       safeOperation.addEstimations(postEstimationData)
     }
 
diff --git a/packages/relay-kit/src/packs/safe-4337/estimators/generic/GenericFeeEstimator.ts b/packages/relay-kit/src/packs/safe-4337/estimators/generic/GenericFeeEstimator.ts
index 9e315974e..f9ef41097 100644
--- a/packages/relay-kit/src/packs/safe-4337/estimators/generic/GenericFeeEstimator.ts
+++ b/packages/relay-kit/src/packs/safe-4337/estimators/generic/GenericFeeEstimator.ts
@@ -21,6 +21,8 @@ export class GenericFeeEstimator implements IFeeEstimator {
   nodeUrl: string
   chainId: string
   gasMultiplier: number
+  defaultVerificationGasLimitOverhead?: bigint
+
   constructor(nodeUrl: string, chainId: string, gasMultiplier: number = 1.5) {
     this.nodeUrl = nodeUrl
     this.chainId = chainId
@@ -28,6 +30,7 @@ export class GenericFeeEstimator implements IFeeEstimator {
       throw new Error("gasMultiplier can't be equal or less than 0.")
     }
     this.gasMultiplier = gasMultiplier
+    this.defaultVerificationGasLimitOverhead = 55_000n
   }
 
   async preEstimateUserOperationGas({
diff --git a/packages/relay-kit/src/packs/safe-4337/types.ts b/packages/relay-kit/src/packs/safe-4337/types.ts
index 1c60fd547..9b9fad2f6 100644
--- a/packages/relay-kit/src/packs/safe-4337/types.ts
+++ b/packages/relay-kit/src/packs/safe-4337/types.ts
@@ -156,6 +156,7 @@ export type EstimateFeeFunction = ({
 export interface IFeeEstimator {
   preEstimateUserOperationGas?: EstimateFeeFunction
   postEstimateUserOperationGas?: EstimateFeeFunction
+  defaultVerificationGasLimitOverhead?: bigint
 }
 
 export type EstimateFeeProps = {