diff --git a/clibs/utils/utils.csproj b/clibs/utils/utils.csproj
index bd23b722..e016bef4 100644
--- a/clibs/utils/utils.csproj
+++ b/clibs/utils/utils.csproj
@@ -24,7 +24,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.11.4" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="Sepia.Globalization" Version="0.8.0" />
     <PackageReference Include="System.Text.Json" Version="4.7.1" />