diff --git a/package.json b/package.json
index c3c4cb04..d9818fcc 100644
--- a/package.json
+++ b/package.json
@@ -104,6 +104,7 @@
     ]
   },
   "devDependencies": {
+    "@types/connect-pg-simple": "^7.0.3",
     "@types/cookie-parser": "^1.4.7",
     "@types/express": "^4.17.13",
     "@types/js-cookie": "^3.0.6",