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 092d1848c2d..2f01ce98de8 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
@@ -29169,8 +29169,32 @@
       },
       "ds" : {
         "endpoints" : {
-          "us-iso-east-1" : { },
-          "us-iso-west-1" : { }
+          "fips-us-iso-east-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "ds-fips.us-iso-east-1.c2s.ic.gov"
+          },
+          "fips-us-iso-west-1" : {
+            "credentialScope" : {
+              "region" : "us-iso-west-1"
+            },
+            "deprecated" : true,
+            "hostname" : "ds-fips.us-iso-west-1.c2s.ic.gov"
+          },
+          "us-iso-east-1" : {
+            "variants" : [ {
+              "hostname" : "ds-fips.us-iso-east-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          },
+          "us-iso-west-1" : {
+            "variants" : [ {
+              "hostname" : "ds-fips.us-iso-west-1.c2s.ic.gov",
+              "tags" : [ "fips" ]
+            } ]
+          }
         }
       },
       "dynamodb" : {
@@ -29990,7 +30014,19 @@
       },
       "ds" : {
         "endpoints" : {
-          "us-isob-east-1" : { }
+          "fips-us-isob-east-1" : {
+            "credentialScope" : {
+              "region" : "us-isob-east-1"
+            },
+            "deprecated" : true,
+            "hostname" : "ds-fips.us-isob-east-1.sc2s.sgov.gov"
+          },
+          "us-isob-east-1" : {
+            "variants" : [ {
+              "hostname" : "ds-fips.us-isob-east-1.sc2s.sgov.gov",
+              "tags" : [ "fips" ]
+            } ]
+          }
         }
       },
       "dynamodb" : {