diff --git a/Directory.Build.targets b/Directory.Build.targets
index 8bac63de8..e492c8044 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -35,7 +35,7 @@
         <PackageReference Update="coverlet.msbuild" Version="2.9.0" />
         <PackageReference Update="System.Reactive" Version="4.4.1" />
         <PackageReference Update="System.Collections.Immutable" Version="1.7.1" />
-        <PackageReference Update="Microsoft.Reactive.Testing" Version="4.3.2" />
+        <PackageReference Update="Microsoft.Reactive.Testing" Version="4.4.1" />
         <PackageReference Update="MediatR" Version="8.0.1" />
         <PackageReference Update="MediatR.Extensions.Microsoft.DependencyInjection" Version="8.0.0" />
         <PackageReference Update="Bogus" Version="29.0.1" />