diff --git a/clibs/messages/messages.csproj b/clibs/messages/messages.csproj
index aeb2ad95..2bbf7c6d 100644
--- a/clibs/messages/messages.csproj
+++ b/clibs/messages/messages.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.11.4" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Core" Version="2.28.1" />
     <PackageReference Include="Grpc.Tools" Version="2.28.1">
       <PrivateAssets>all</PrivateAssets>