diff --git a/apps/server/package.json b/apps/server/package.json
index d625372af..3c1322f56 100644
--- a/apps/server/package.json
+++ b/apps/server/package.json
@@ -143,6 +143,7 @@
     "@types/express-session": "1.18.1",
     "@types/escape-html": "1.0.4",
     "@types/ws": "8.18.1",
+    "vitest": "^3.1.1",
 
     "@excalidraw/excalidraw": "0.18.0"
   }