diff --git a/src/SesClient.php b/src/SesClient.php
index bd8b0f0..fa28274 100644
--- a/src/SesClient.php
+++ b/src/SesClient.php
@@ -89,17 +89,17 @@ protected function getEndpointMetadata(?string $region): array
                     'signService' => 'ses',
                     'signVersions' => ['v4'],
                 ];
-            case 'fips-us-gov-west-1':
+            case 'fips-us-west-2':
                 return [
-                    'endpoint' => 'https://email-fips.us-gov-west-1.amazonaws.com',
-                    'signRegion' => 'us-gov-west-1',
+                    'endpoint' => 'https://email-fips.us-west-2.amazonaws.com',
+                    'signRegion' => 'us-west-2',
                     'signService' => 'ses',
                     'signVersions' => ['v4'],
                 ];
-            case 'fips-us-west-2':
+            case 'fips-us-gov-west-1':
                 return [
-                    'endpoint' => 'https://email-fips.us-west-2.amazonaws.com',
-                    'signRegion' => 'us-west-2',
+                    'endpoint' => 'https://email-fips.us-gov-west-1.amazonaws.com',
+                    'signRegion' => 'us-gov-west-1',
                     'signService' => 'ses',
                     'signVersions' => ['v4'],
                 ];