diff --git a/src/ThirdParty/CSharpAPI/CSharpAPI.csproj b/src/ThirdParty/CSharpAPI/CSharpAPI.csproj
index 086ddd2..cba82e0 100644
--- a/src/ThirdParty/CSharpAPI/CSharpAPI.csproj
+++ b/src/ThirdParty/CSharpAPI/CSharpAPI.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.33.5" />
+    <PackageReference Include="Google.Protobuf" Version="3.34.1" />
   </ItemGroup>
 
 </Project>