diff --git a/Services/Core.Services/Core.Services.csproj b/Services/Core.Services/Core.Services.csproj
index c2e1f28..1a91a22 100644
--- a/Services/Core.Services/Core.Services.csproj
+++ b/Services/Core.Services/Core.Services.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="FluentValidation" Version="8.1.2" />
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc" Version="1.18.0" />
     <PackageReference Include="Grpc.Tools" Version="1.18.0">
       <PrivateAssets>all</PrivateAssets>
diff --git a/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj b/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
index 5a3f8cb..cad48d4 100644
--- a/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
+++ b/Shared/Shared.GrpcClientLibrary/Shared.GrpcClientLibrary.csproj
@@ -12,7 +12,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.6.1" />
+    <PackageReference Include="Google.Protobuf" Version="3.15.0" />
     <PackageReference Include="Grpc" Version="1.18.0" />
     <PackageReference Include="Grpc.Tools" Version="1.18.0">
       <PrivateAssets>all</PrivateAssets>