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 a8254739179..8fb3f59ff15 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
@@ -11040,6 +11040,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ca-central-1" : { },
+          "ca-west-1" : { },
           "eu-central-1" : { },
           "eu-central-2" : { },
           "eu-north-1" : { },
@@ -13494,6 +13495,12 @@
             },
             "hostname" : "portal.sso.ap-south-1.amazonaws.com"
           },
+          "ap-south-2" : {
+            "credentialScope" : {
+              "region" : "ap-south-2"
+            },
+            "hostname" : "portal.sso.ap-south-2.amazonaws.com"
+          },
           "ap-southeast-1" : {
             "credentialScope" : {
               "region" : "ap-southeast-1"
@@ -13548,6 +13555,12 @@
             },
             "hostname" : "portal.sso.eu-south-1.amazonaws.com"
           },
+          "eu-south-2" : {
+            "credentialScope" : {
+              "region" : "eu-south-2"
+            },
+            "hostname" : "portal.sso.eu-south-2.amazonaws.com"
+          },
           "eu-west-1" : {
             "credentialScope" : {
               "region" : "eu-west-1"
@@ -15007,15 +15020,26 @@
       },
       "rum" : {
         "endpoints" : {
+          "af-south-1" : { },
           "ap-northeast-1" : { },
+          "ap-northeast-2" : { },
+          "ap-northeast-3" : { },
+          "ap-south-1" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
+          "ap-southeast-3" : { },
+          "ca-central-1" : { },
           "eu-central-1" : { },
           "eu-north-1" : { },
+          "eu-south-1" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
+          "eu-west-3" : { },
+          "me-south-1" : { },
+          "sa-east-1" : { },
           "us-east-1" : { },
           "us-east-2" : { },
+          "us-west-1" : { },
           "us-west-2" : { }
         }
       },
@@ -18018,6 +18042,7 @@
           "ap-northeast-2" : { },
           "ap-northeast-3" : { },
           "ap-south-1" : { },
+          "ap-south-2" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
@@ -18027,6 +18052,7 @@
           "eu-central-2" : { },
           "eu-north-1" : { },
           "eu-south-1" : { },
+          "eu-south-2" : { },
           "eu-west-1" : { },
           "eu-west-2" : { },
           "eu-west-3" : { },
@@ -27126,6 +27152,40 @@
           "us-iso-west-1" : { }
         }
       },
+      "fsx" : {
+        "endpoints" : {
+          "fips-prod-us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "fsx-fips.us-iso-east-1.c2s.ic.gov"
+          },
+          "fips-us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "fsx-fips.us-iso-east-1.c2s.ic.gov"
+          },
+          "prod-us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "variants" : [ {
+              "hostname" : "fsx-fips.us-iso-east-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-iso-east-1" : {
+            "variants" : [ {
+              "hostname" : "fsx-fips.us-iso-east-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          }
+        }
+      },
       "glacier" : {
         "endpoints" : {
           "us-iso-east-1" : {