diff --git a/SC2APIProtocol/SC2APIProtocol.csproj b/SC2APIProtocol/SC2APIProtocol.csproj
index a31c7c8..a47c729 100644
--- a/SC2APIProtocol/SC2APIProtocol.csproj
+++ b/SC2APIProtocol/SC2APIProtocol.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.5.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
   </ItemGroup>
 
 </Project>