diff --git a/src/objective-c/examples/Sample/Podfile b/src/objective-c/examples/Sample/Podfile
index 848627ff547e17d01fa99484447af6ebec8cfa38..4da8bc44f66a77f358c549b51064ec9e76c63698 100644
--- a/src/objective-c/examples/Sample/Podfile
+++ b/src/objective-c/examples/Sample/Podfile
@@ -2,6 +2,7 @@ source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
 pod 'gRPC', :path => "../../../.."
+pod 'ProtocolBuffers', '~> 1.9'
 
 link_with 'Sample', 'SampleTests'