diff --git a/course-04/exercises/lesson-6/client/package.json b/course-04/exercises/lesson-6/client/package.json
index 1413be10f2..3b30de248d 100644
--- a/course-04/exercises/lesson-6/client/package.json
+++ b/course-04/exercises/lesson-6/client/package.json
@@ -6,7 +6,7 @@
     "@types/jest": "24.0.11",
     "@types/node": "11.13.4",
     "@types/react": "16.8.13",
-    "@types/react-dom": "16.8.4",
+    "@types/react-dom": "16.9.25",
     "@types/react-router-dom": "^4.3.4",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",