diff --git a/src/Microsoft.Azure.Functions.PowerShellWorker.csproj b/src/Microsoft.Azure.Functions.PowerShellWorker.csproj
index 1481a6d6..8b3dd359 100644
--- a/src/Microsoft.Azure.Functions.PowerShellWorker.csproj
+++ b/src/Microsoft.Azure.Functions.PowerShellWorker.csproj
@@ -23,7 +23,7 @@ Licensed under the MIT license. See LICENSE file in the project root for full li
     <PackageReference Include="Grpc.Core" Version="2.27.0" />
     <PackageReference Include="Microsoft.PowerShell.SDK" Version="7.0.8" />
     <PackageReference Include="CommandLineParser" Version="2.3.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.11.4" />
+    <PackageReference Include="Google.Protobuf" Version="3.19.4" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tools/helper.psm1 b/tools/helper.psm1
index ff6605da..16194123 100644
--- a/tools/helper.psm1
+++ b/tools/helper.psm1
@@ -21,8 +21,8 @@ $DotnetSDKVersionRequirements = @{
     }
 }
 
-$GrpcToolsVersion = '2.27.0' # grpc.tools
-$GoogleProtobufToolsVersion = '3.11.4' # google.protobuf.tools
+$GrpcToolsVersion = '2.43.0' # grpc.tools
+$GoogleProtobufToolsVersion = '3.19.4' # google.protobuf.tools
 
 function AddLocalDotnetDirPath {
     $LocalDotnetDirPath = if ($IsWindowsEnv) { "$env:LocalAppData\Microsoft\dotnet" } else { "$env:HOME/.dotnet" }
diff --git a/tools/protobuf.tools.csproj b/tools/protobuf.tools.csproj
index f74bf36a..ffffb056 100644
--- a/tools/protobuf.tools.csproj
+++ b/tools/protobuf.tools.csproj
@@ -11,8 +11,8 @@ 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="Google.Protobuf.Tools" Version="3.11.4" />
+    <PackageReference Include="Grpc.Tools" Version="2.43.0" />
+    <PackageReference Include="Google.Protobuf.Tools" Version="3.19.4" />
   </ItemGroup>
 
 </Project>