diff --git a/reference-artifacts/Add-ons/opensiem/lambdas/common/src/backoff.ts b/reference-artifacts/Add-ons/opensiem/lambdas/common/src/backoff.ts
index 63bcd0024..1756c5a66 100644
--- a/reference-artifacts/Add-ons/opensiem/lambdas/common/src/backoff.ts
+++ b/reference-artifacts/Add-ons/opensiem/lambdas/common/src/backoff.ts
@@ -51,6 +51,7 @@ export const isThrottlingError = (e: any) =>
   e.code === 'InsufficientDeliveryPolicyException' || // Retry for ConfigService
   e.code === 'NoAvailableDeliveryChannelException' || // Retry for ConfigService
   e.code === 'ConcurrentModifications' || // Retry for AssociateHostedZone
+  e.code === 'ConcurrentModification' || // Retry for AssociateHostedZone
   e.code === 'TooManyRequestsException' ||
   e.code === 'Throttling' ||
   e.code === 'ThrottlingException' ||
diff --git a/src/lib/common/src/aws/backoff.ts b/src/lib/common/src/aws/backoff.ts
index 63bcd0024..1756c5a66 100644
--- a/src/lib/common/src/aws/backoff.ts
+++ b/src/lib/common/src/aws/backoff.ts
@@ -51,6 +51,7 @@ export const isThrottlingError = (e: any) =>
   e.code === 'InsufficientDeliveryPolicyException' || // Retry for ConfigService
   e.code === 'NoAvailableDeliveryChannelException' || // Retry for ConfigService
   e.code === 'ConcurrentModifications' || // Retry for AssociateHostedZone
+  e.code === 'ConcurrentModification' || // Retry for AssociateHostedZone
   e.code === 'TooManyRequestsException' ||
   e.code === 'Throttling' ||
   e.code === 'ThrottlingException' ||
diff --git a/src/lib/custom-resources/cdk-cfn-utils/cdk/index.ts b/src/lib/custom-resources/cdk-cfn-utils/cdk/index.ts
index 576d54c0d..a70c25f58 100644
--- a/src/lib/custom-resources/cdk-cfn-utils/cdk/index.ts
+++ b/src/lib/custom-resources/cdk-cfn-utils/cdk/index.ts
@@ -53,6 +53,7 @@ export const isThrottlingError = (e: any) =>
   e.code === 'InsufficientDeliveryPolicyException' || // Retry for ConfigService
   e.code === 'NoAvailableDeliveryChannelException' || // Retry for ConfigService
   e.code === 'ConcurrentModifications' || // Retry for AssociateHostedZone
+  e.code === 'ConcurrentModification' || // Retry for AssociateHostedZone
   e.code === 'TooManyRequestsException' ||
   e.code === 'Throttling' ||
   e.code === 'ThrottlingException' ||