diff --git a/GoogleCloudExtension/ProjectTemplates/GcpProjectTemplate/Framework/WebAPI/packages.config b/GoogleCloudExtension/ProjectTemplates/GcpProjectTemplate/Framework/WebAPI/packages.config
index a4fe5681b..9743b45e9 100644
--- a/GoogleCloudExtension/ProjectTemplates/GcpProjectTemplate/Framework/WebAPI/packages.config
+++ b/GoogleCloudExtension/ProjectTemplates/GcpProjectTemplate/Framework/WebAPI/packages.config
@@ -16,7 +16,7 @@
   <package id="Google.Cloud.Logging.Type" version="2.0.0-beta01" targetFramework="net452" />
   <package id="Google.Cloud.Logging.V2" version="2.0.0-beta01" targetFramework="net452" />
   <package id="Google.Cloud.Trace.V1" version="1.0.0-beta06" targetFramework="net452" />
-  <package id="Google.Protobuf" version="3.3.0" targetFramework="net452" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net452" />
   <package id="Grpc.Auth" version="1.3.0" targetFramework="net452" />
   <package id="Grpc.Core" version="1.3.0" targetFramework="net452" />
   <package id="jQuery" version="1.10.2" targetFramework="net452" />