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 eac0ecb1f3c..696bf8d1b3d 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
@@ -16196,8 +16196,24 @@
           "ap-southeast-2" : { },
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
-          "ca-central-1" : { },
-          "ca-west-1" : { },
+          "ca-central-1" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.ca-central-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.ca-central-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          },
+          "ca-west-1" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.ca-west-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.ca-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          },
           "eu-central-1" : { },
           "eu-central-2" : { },
           "eu-north-1" : { },
@@ -16206,14 +16222,88 @@
           "eu-west-1" : { },
           "eu-west-2" : { },
           "eu-west-3" : { },
+          "fips-ca-central-1" : {
+            "credentialScope" : {
+              "region" : "ca-central-1"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.ca-central-1.amazonaws.com"
+          },
+          "fips-ca-west-1" : {
+            "credentialScope" : {
+              "region" : "ca-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.ca-west-1.amazonaws.com"
+          },
+          "fips-us-east-1" : {
+            "credentialScope" : {
+              "region" : "us-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.us-east-1.amazonaws.com"
+          },
+          "fips-us-east-2" : {
+            "credentialScope" : {
+              "region" : "us-east-2"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.us-east-2.amazonaws.com"
+          },
+          "fips-us-west-1" : {
+            "credentialScope" : {
+              "region" : "us-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.us-west-1.amazonaws.com"
+          },
+          "fips-us-west-2" : {
+            "credentialScope" : {
+              "region" : "us-west-2"
+            },
+            "deprecated" : true,
+            "hostname" : "resource-explorer-2-fips.us-west-2.amazonaws.com"
+          },
           "il-central-1" : { },
           "me-central-1" : { },
           "me-south-1" : { },
           "sa-east-1" : { },
-          "us-east-1" : { },
-          "us-east-2" : { },
-          "us-west-1" : { },
-          "us-west-2" : { }
+          "us-east-1" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.us-east-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.us-east-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          },
+          "us-east-2" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.us-east-2.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.us-east-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          },
+          "us-west-1" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.us-west-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.us-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          },
+          "us-west-2" : {
+            "variants" : [ {
+              "hostname" : "resource-explorer-2-fips.us-west-2.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "resource-explorer-2-fips.us-west-2.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            } ]
+          }
         }
       },
       "resource-groups" : {
@@ -22174,9 +22264,16 @@
           "ap-northeast-2" : { },
           "ap-southeast-1" : { },
           "ap-southeast-2" : { },
-          "ca-central-1" : { },
+          "ca-central-1" : {
+            "variants" : [ {
+              "tags" : [ "fips" ]
+            } ]
+          },
           "eu-central-1" : { },
           "eu-west-2" : { },
+          "fips-ca-central-1" : {
+            "deprecated" : true
+          },
           "fips-us-east-1" : {
             "deprecated" : true
           },