diff --git a/Trunked/Trunked/packages.config b/Trunked/Trunked/packages.config
index 480661e..72717a5 100644
--- a/Trunked/Trunked/packages.config
+++ b/Trunked/Trunked/packages.config
@@ -12,7 +12,7 @@
   <package id="Google.Apis.Core" version="1.32.2" targetFramework="net471" />
   <package id="Google.Cloud.Vision.V1" version="1.2.0" targetFramework="net471" />
   <package id="Google.LongRunning" version="1.0.0" targetFramework="net471" />
-  <package id="Google.Protobuf" version="3.5.1" targetFramework="net471" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net471" />
   <package id="Grpc.Auth" version="1.10.0" targetFramework="net471" />
   <package id="Grpc.Core" version="1.10.0" targetFramework="net471" />
   <package id="ImageResizer" version="4.2.5" targetFramework="net471" />