diff --git a/src/Microsoft.Azure.Functions.PowerShellWorker.csproj b/src/Microsoft.Azure.Functions.PowerShellWorker.csproj
index f245fd06..aed806b2 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="7.2.1" />
     <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 d617f2c4..b01bb542 100644
--- a/tools/helper.psm1
+++ b/tools/helper.psm1
@@ -23,7 +23,7 @@ $DotnetSDKVersionRequirements = @{
 }
 
 $GrpcToolsVersion = '2.43.0' # grpc.tools
-$GoogleProtobufToolsVersion = '3.11.4' # google.protobuf.tools
+$GoogleProtobufToolsVersion = '3.19.4' # google.protobuf.tools
 
 function Find-Dotnet
 {
diff --git a/tools/protobuf.tools.csproj b/tools/protobuf.tools.csproj
index b4df3b71..ed482be2 100644
--- a/tools/protobuf.tools.csproj
+++ b/tools/protobuf.tools.csproj
@@ -12,7 +12,7 @@ Licensed under the MIT license. See LICENSE file in the project root for full li
 
   <ItemGroup>
     <PackageReference Include="Grpc.Tools" Version="2.43.0" />
-    <PackageReference Include="Google.Protobuf.Tools" Version="3.11.4" />
+    <PackageReference Include="Google.Protobuf.Tools" Version="3.19.4" />
   </ItemGroup>
 
 </Project>