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 0edeb02db0b..c29cd48dfc2 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
@@ -522,6 +522,7 @@
           "eu-west-1" : { },
           "eu-west-2" : { },
           "eu-west-3" : { },
+          "il-central-1" : { },
           "me-south-1" : { },
           "sa-east-1" : { },
           "us-east-1" : {
@@ -1612,6 +1613,12 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "il-central-1" : {
+            "variants" : [ {
+              "hostname" : "appmesh.il-central-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          },
           "me-south-1" : {
             "variants" : [ {
               "hostname" : "appmesh.me-south-1.api.aws",