diff --git a/Directory.Packages.props b/Directory.Packages.props
index f6fd922..50b7997 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -16,7 +16,7 @@
     <PackageVersion Include="coverlet.msbuild" Version="6.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageVersion Include="NetEvolve.Extensions.XUnit" Version="2.2.12" />
-    <PackageVersion Include="Polyfill" Version="5.5.3" />
+    <PackageVersion Include="Polyfill" Version="5.6.0" />
     <PackageVersion Include="xunit" Version="2.8.1" />
   </ItemGroup>