diff --git a/Directory.Packages.props b/Directory.Packages.props
index 19525eb8..d0a73836 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -13,7 +13,7 @@
     <!-- Google/gRPC packages -->
     <PackageVersion Include="Google.Api.Gax" Version="4.12.1" />
     <PackageVersion Include="Google.Api.Gax.Grpc" Version="4.12.1" />
-    <PackageVersion Include="Google.Api.Gax.Testing" Version="4.12.1" />
+    <PackageVersion Include="Google.Api.Gax.Testing" Version="4.13.0" />
     <PackageVersion Include="Google.Apis" Version="1.72.0" />
     <PackageVersion Include="Google.Cloud.Iam.V1" Version="3.5.0" />
     <PackageVersion Include="Google.Cloud.Location" Version="2.4.0" />