diff --git a/Directory.Packages.props b/Directory.Packages.props
index c6a4d08..8697bf8 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -18,7 +18,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageVersion Include="NetEvolve.Arguments" Version="1.2.12" />
     <PackageVersion Include="NetEvolve.Extensions.XUnit" Version="2.2.12" />
-    <PackageVersion Include="Polyfill" Version="5.3.0" />
+    <PackageVersion Include="Polyfill" Version="5.4.0" />
     <PackageVersion Include="xunit" Version="2.8.1" />
   </ItemGroup>