diff --git a/Directory.Packages.props b/Directory.Packages.props
index 238f06c..a1e819b 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageVersion Include="NetEvolve.Arguments" Version="3.2.0" />
     <PackageVersion Include="NetEvolve.Extensions.TUnit" Version="3.5.3" />
-    <PackageVersion Include="Polyfill" Version="9.11.0" />
+    <PackageVersion Include="Polyfill" Version="9.12.0" />
     <PackageVersion Include="TUnit" Version="1.17.29" />
   </ItemGroup>
 </Project>