diff --git a/TestMasterUI/package.json b/TestMasterUI/package.json
index ed7ff7d..144f756 100644
--- a/TestMasterUI/package.json
+++ b/TestMasterUI/package.json
@@ -28,6 +28,7 @@
     "@xyflow/react": "^12.4.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "date-fns": "^4.1.0",
     "lodash": "^4.17.21",
     "lucide-react": "^0.469.0",
     "monaco-editor": "^0.52.2",