diff --git a/SecureParcel/packages.config b/SecureParcel/packages.config
index 3693c64..0da7d85 100644
--- a/SecureParcel/packages.config
+++ b/SecureParcel/packages.config
@@ -9,7 +9,7 @@
   <package id="Bootstrap.v3.Datetimepicker.CSS" version="4.17.45" targetFramework="net472" />
   <package id="BouncyCastle" version="1.8.3.1" targetFramework="net472" />
   <package id="EntityFramework" version="6.2.0" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.6.1" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.15.0" targetFramework="net472" />
   <package id="Grid.Mvc" version="3.0.0" targetFramework="net472" />
   <package id="jQuery" version="3.3.1" targetFramework="net472" />
   <package id="jquery.TypeScript.DefinitelyTyped" version="3.1.2" targetFramework="net472" />