diff --git a/SimulationServer/SimulationServer.csproj b/SimulationServer/SimulationServer.csproj
index f6fb2c8..c778d12 100644
--- a/SimulationServer/SimulationServer.csproj
+++ b/SimulationServer/SimulationServer.csproj
@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.12.3" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc" Version="2.30.0" />
     <PackageReference Include="Grpc.Tools" Version="2.30.0">
       <PrivateAssets>all</PrivateAssets>