diff --git a/old_class_components_samples/11 TestReducer/package.json b/old_class_components_samples/11 TestReducer/package.json
index ea1069e..361dd6c 100644
--- a/old_class_components_samples/11 TestReducer/package.json	
+++ b/old_class_components_samples/11 TestReducer/package.json	
@@ -51,7 +51,7 @@
     "react-dom": "^16.4.1",
     "react-promise-tracker": "^1.0.2",
     "react-redux": "^5.0.7",
-    "react-router-dom": "^4.2.2",
+    "react-router-dom": "^6.0.0",
     "react-router-redux": "^4.0.8",
     "react-spinners": "^0.3.3",
     "redux": "^4.0.0",