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 5249f64a2ba..83b37c96818 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
@@ -11711,6 +11711,12 @@
             },
             "hostname" : "oidc.eu-central-1.amazonaws.com"
           },
+          "eu-central-2" : {
+            "credentialScope" : {
+              "region" : "eu-central-2"
+            },
+            "hostname" : "oidc.eu-central-2.amazonaws.com"
+          },
           "eu-north-1" : {
             "credentialScope" : {
               "region" : "eu-north-1"
@@ -12344,6 +12350,12 @@
             },
             "hostname" : "portal.sso.eu-central-1.amazonaws.com"
           },
+          "eu-central-2" : {
+            "credentialScope" : {
+              "region" : "eu-central-2"
+            },
+            "hostname" : "portal.sso.eu-central-2.amazonaws.com"
+          },
           "eu-north-1" : {
             "credentialScope" : {
               "region" : "eu-north-1"
@@ -19248,6 +19260,22 @@
           "cn-northwest-1" : { }
         }
       },
+      "oidc" : {
+        "endpoints" : {
+          "cn-north-1" : {
+            "credentialScope" : {
+              "region" : "cn-north-1"
+            },
+            "hostname" : "oidc.cn-north-1.amazonaws.com.cn"
+          },
+          "cn-northwest-1" : {
+            "credentialScope" : {
+              "region" : "cn-northwest-1"
+            },
+            "hostname" : "oidc.cn-northwest-1.amazonaws.com.cn"
+          }
+        }
+      },
       "organizations" : {
         "endpoints" : {
           "aws-cn-global" : {
@@ -19276,6 +19304,22 @@
           "cn-northwest-1" : { }
         }
       },
+      "portal.sso" : {
+        "endpoints" : {
+          "cn-north-1" : {
+            "credentialScope" : {
+              "region" : "cn-north-1"
+            },
+            "hostname" : "portal.sso.cn-north-1.amazonaws.com.cn"
+          },
+          "cn-northwest-1" : {
+            "credentialScope" : {
+              "region" : "cn-northwest-1"
+            },
+            "hostname" : "portal.sso.cn-northwest-1.amazonaws.com.cn"
+          }
+        }
+      },
       "ram" : {
         "endpoints" : {
           "cn-north-1" : { },