diff --git a/frontend/package.json b/frontend/package.json
index 41582f3..e237d59 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -21,7 +21,7 @@
   "devDependencies": {
     "@types/react": "^18.2.15",
     "@types/react-dom": "^18.2.7",
-    "typescript": "^5.1.6",
+    "typescript": "^4.9.5",
     "react-scripts": "5.0.1"
   },
   "browserslist": {
diff --git a/package.json b/package.json
index 5aee87c..ad0780b 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "@types/express": "^4.17.17",
     "@types/node": "^20.4.5",
     "@types/cors": "^2.8.13",
-    "typescript": "^5.1.6",
+    "typescript": "^4.9.5",
     "nodemon": "^3.0.1",
     "ts-node": "^10.9.1"
   }