diff --git a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
index 19e799d0cf3..a686c926e99 100644
--- a/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
+++ b/codegen/smithy-aws-go-codegen/src/main/resources/software/amazon/smithy/aws/go/codegen/endpoints.json
@@ -16889,6 +16889,7 @@
           "ap-northeast-1" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
+          "ca-central-1" : { },
           "eu-west-1" : { },
           "us-east-1" : { },
           "us-east-2" : { },