diff --git a/clusters/cl01tl/platform/vault/templates/external-secret.yaml b/clusters/cl01tl/platform/vault/templates/external-secret.yaml
index 740f9aa06..bfb14aab3 100644
--- a/clusters/cl01tl/platform/vault/templates/external-secret.yaml
+++ b/clusters/cl01tl/platform/vault/templates/external-secret.yaml
@@ -74,6 +74,20 @@ spec:
         key: /digital-ocean/home-infra/vault-backup
         metadataPolicy: None
         property: AWS_SECRET_ACCESS_KEY
+    - secretKey: AWS_RESPONSE_CHECKSUM_VALIDATION
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /digital-ocean/home-infra/vault-backup
+        metadataPolicy: None
+        property: AWS_RESPONSE_CHECKSUM_VALIDATION
+    - secretKey: AWS_REQUEST_CHECKSUM_CALCULATION
+      remoteRef:
+        conversionStrategy: Default
+        decodingStrategy: None
+        key: /digital-ocean/home-infra/vault-backup
+        metadataPolicy: None
+        property: AWS_REQUEST_CHECKSUM_CALCULATION
 
 ---
 apiVersion: external-secrets.io/v1beta1