diff --git a/Agoda.Frameworks.Grpc.Tests/Agoda.Frameworks.Grpc.Tests.csproj b/Agoda.Frameworks.Grpc.Tests/Agoda.Frameworks.Grpc.Tests.csproj
index c88e35c..6a9e242 100644
--- a/Agoda.Frameworks.Grpc.Tests/Agoda.Frameworks.Grpc.Tests.csproj
+++ b/Agoda.Frameworks.Grpc.Tests/Agoda.Frameworks.Grpc.Tests.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.9.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc.Tools" Version="2.23.0">
     <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>