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 b6a10d35396..943b4087684 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
@@ -2126,12 +2126,24 @@
           },
           "ca-central-1" : {
             "variants" : [ {
+              "hostname" : "athena-fips.ca-central-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "athena-fips.ca-central-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
               "hostname" : "athena.ca-central-1.api.aws",
               "tags" : [ "dualstack" ]
             } ]
           },
           "ca-west-1" : {
             "variants" : [ {
+              "hostname" : "athena-fips.ca-west-1.amazonaws.com",
+              "tags" : [ "fips" ]
+            }, {
+              "hostname" : "athena-fips.ca-west-1.api.aws",
+              "tags" : [ "dualstack", "fips" ]
+            }, {
               "hostname" : "athena.ca-west-1.api.aws",
               "tags" : [ "dualstack" ]
             } ]
@@ -2184,6 +2196,20 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "fips-ca-central-1" : {
+            "credentialScope" : {
+              "region" : "ca-central-1"
+            },
+            "deprecated" : true,
+            "hostname" : "athena-fips.ca-central-1.amazonaws.com"
+          },
+          "fips-ca-west-1" : {
+            "credentialScope" : {
+              "region" : "ca-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "athena-fips.ca-west-1.amazonaws.com"
+          },
           "fips-us-east-1" : {
             "credentialScope" : {
               "region" : "us-east-1"