diff --git a/src/WebSocketeer/WebSocketeer.csproj b/src/WebSocketeer/WebSocketeer.csproj
index 1bf1c06..bb5fd7a 100644
--- a/src/WebSocketeer/WebSocketeer.csproj
+++ b/src/WebSocketeer/WebSocketeer.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.2.4" PrivateAssets="all" />
-    <PackageReference Include="Google.Protobuf" Version="3.29.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.34.1" />
     <PackageReference Include="Grpc.AspNetCore" Version="2.67.0" Pack="false" />
     <PackageReference Include="RxFree" Version="1.1.3" PrivateAssets="all" />
     <PackageReference Include="WebSocketChannel" Version="1.2.0" />