diff --git a/apps/canvas/back/package.json b/apps/canvas/back/package.json
index b05fb1e..360c453 100644
--- a/apps/canvas/back/package.json
+++ b/apps/canvas/back/package.json
@@ -13,7 +13,8 @@
     "@prisma/client": "^6.6.0",
     "axios": "^1.8.4",
     "express": "^4.21.1",
-    "sqlite3": "^5.1.7"
+    "sqlite3": "^5.1.7",
+    "zod": "^3.24.4"
   },
   "devDependencies": {
     "@types/express": "^5.0.0",