diff --git a/server/WebApplication2/WebApplication2/WebApplication2.csproj b/server/WebApplication2/WebApplication2/WebApplication2.csproj
index 97791c5..950f941 100644
--- a/server/WebApplication2/WebApplication2/WebApplication2.csproj
+++ b/server/WebApplication2/WebApplication2/WebApplication2.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.14.0" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Net.Client" Version="2.33.1" />
     <PackageReference Include="Grpc.Tools" Version="2.33.1">
       <PrivateAssets>all</PrivateAssets>