diff --git a/src/lib/openapi/spec/feature-schema.ts b/src/lib/openapi/spec/feature-schema.ts
index d584a7779f..2b3d489a8f 100644
--- a/src/lib/openapi/spec/feature-schema.ts
+++ b/src/lib/openapi/spec/feature-schema.ts
@@ -43,7 +43,7 @@ export const featureSchema = {
         },
         archivedAt: {
             type: 'string',
-            format: 'date',
+            format: 'date-time',
             nullable: true,
         },
         lastSeenAt: {
diff --git a/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap b/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
index 2d96a6d4a1..5e390572ec 100644
--- a/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
+++ b/src/test/e2e/api/openapi/__snapshots__/openapi.e2e.test.ts.snap
@@ -24,12 +24,12 @@ exports[`should serve the OpenAPI UI 1`] = `
         background: #fafafa;
       }
     </style>
-
+    
       <link rel=\\"stylesheet\\" type=\\"text/css\\" href=\\"./swagger-ui.css\\" >
-
+    
   </head>
   <body>
-
+    
       <div id=\\"swagger-ui\\"></div>
       <script src=\\"./swagger-ui-bundle.js\\"></script>
       <script src=\\"./swagger-ui-standalone-preset.js\\"></script>
@@ -41,7 +41,7 @@ exports[`should serve the OpenAPI UI 1`] = `
           })
         }
       </script>
-
+    
   </body>
 </html>
   "
@@ -632,6 +632,11 @@ Object {
           "archived": Object {
             "type": "boolean",
           },
+          "archivedAt": Object {
+            "format": "date-time",
+            "nullable": true,
+            "type": "string",
+          },
           "createdAt": Object {
             "format": "date-time",
             "nullable": true,
