diff --git a/Directory.Packages.props b/Directory.Packages.props
index 2c7fc70..c7e7f63 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -17,7 +17,7 @@
     <PackageVersion Include="coverlet.msbuild" Version="6.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="NetEvolve.Extensions.XUnit" Version="2.4.0" />
-    <PackageVersion Include="Polyfill" Version="7.7.0" />
+    <PackageVersion Include="Polyfill" Version="7.7.1" />
     <PackageVersion Include="xunit" Version="2.9.2" />
   </ItemGroup>