diff --git a/package.json b/package.json
index 474eeb8..f654afe 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-router-dom": "^5.2.0",
-    "react-scripts": "3.4.3"
+    "react-scripts": "^4.0.0"
   },
   "scripts": {
     "start": "react-scripts start",
diff --git a/tsconfig.json b/tsconfig.json
index f2850b7..fbce9be 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -17,7 +17,8 @@
     "resolveJsonModule": true,
     "isolatedModules": true,
     "noEmit": true,
-    "jsx": "react"
+    "jsx": "react",
+    "noFallthroughCasesInSwitch": true
   },
   "include": [
     "src"