diff --git a/examples/cpp/helloworld/Makefile b/examples/cpp/helloworld/Makefile
index 780e5e4..b45b3c7 100644
--- a/examples/cpp/helloworld/Makefile
+++ b/examples/cpp/helloworld/Makefile
@@ -97,7 +97,7 @@
 	@echo "Please install Google protocol buffers 3.0.0 and its compiler."
 	@echo "You can find it here:"
 	@echo
-	@echo "   https://github.com/google/protobuf/releases/tag/v3.0.0-beta-2"
+	@echo "   https://github.com/google/protobuf/releases/tag/v3.0.0-beta-3.3"
 	@echo
 	@echo "Here is what I get when trying to evaluate your version of protoc:"
 	@echo
diff --git a/examples/cpp/route_guide/Makefile b/examples/cpp/route_guide/Makefile
index 11f2a00..50ecf04 100644
--- a/examples/cpp/route_guide/Makefile
+++ b/examples/cpp/route_guide/Makefile
@@ -86,7 +86,7 @@
 	@echo "Please install Google protocol buffers 3.0.0 and its compiler."
 	@echo "You can find it here:"
 	@echo
-	@echo "   https://github.com/google/protobuf/releases/tag/v3.0.0-beta-2"
+	@echo "   https://github.com/google/protobuf/releases/tag/v3.0.0-beta-3.3"
 	@echo
 	@echo "Here is what I get when trying to evaluate your version of protoc:"
 	@echo