diff --git a/tools/helper.psm1 b/tools/helper.psm1
index e250458a..d617f2c4 100644
--- a/tools/helper.psm1
+++ b/tools/helper.psm1
@@ -22,7 +22,7 @@ $DotnetSDKVersionRequirements = @{
     }
 }
 
-$GrpcToolsVersion = '2.27.0' # grpc.tools
+$GrpcToolsVersion = '2.43.0' # grpc.tools
 $GoogleProtobufToolsVersion = '3.11.4' # google.protobuf.tools
 
 function Find-Dotnet
diff --git a/tools/protobuf.tools.csproj b/tools/protobuf.tools.csproj
index e4afec56..b4df3b71 100644
--- a/tools/protobuf.tools.csproj
+++ b/tools/protobuf.tools.csproj
@@ -11,7 +11,7 @@ Licensed under the MIT license. See LICENSE file in the project root for full li
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Grpc.Tools" Version="2.27.0" />
+    <PackageReference Include="Grpc.Tools" Version="2.43.0" />
     <PackageReference Include="Google.Protobuf.Tools" Version="3.11.4" />
   </ItemGroup>