diff --git a/packages/cdk/cdk.json b/packages/cdk/cdk.json
index 65d31a57..d4079948 100644
--- a/packages/cdk/cdk.json
+++ b/packages/cdk/cdk.json
@@ -27,7 +27,7 @@
     "endpointNames": [],
     "allowedIpV4AddressRanges": null,
     "allowedIpV6AddressRanges": null,
-    "allowedCountryCodes": ["JP"],
+    "allowedCountryCodes": null,
     "@aws-cdk/aws-lambda:recognizeLayerVersion": true,
     "@aws-cdk/core:checkSecretUsage": true,
     "@aws-cdk/core:target-partitions": [