diff --git a/pattern-af-tutorial/client/package-lock.json b/pattern-af-tutorial/client/package-lock.json
index 739cd32..b9f4c3c 100644
--- a/pattern-af-tutorial/client/package-lock.json
+++ b/pattern-af-tutorial/client/package-lock.json
@@ -16855,9 +16855,9 @@
       }
     },
     "typescript": {
-      "version": "4.3.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.2.tgz",
-      "integrity": "sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw=="
+      "version": "4.8.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.8.4.tgz",
+      "integrity": "sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ=="
     },
     "unbox-primitive": {
       "version": "1.0.1",
diff --git a/pattern-af-tutorial/client/package.json b/pattern-af-tutorial/client/package.json
index c644d4f..fca4fc5 100644
--- a/pattern-af-tutorial/client/package.json
+++ b/pattern-af-tutorial/client/package.json
@@ -21,7 +21,7 @@
     "recharts": "^2.0.9",
     "sass": "^1.42.1",
     "socket.io-client": "^2.2.0",
-    "typescript": "^4.3.2"
+    "typescript": "^4.8.4"
   },
   "scripts": {
     "start": "PORT=3002 react-scripts start",