diff --git a/Directory.Packages.props b/Directory.Packages.props
index c2bf739..3bfd1bf 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -6,6 +6,6 @@
     <PackageVersion Include="ktsu.PreciseNumber" Version="1.7.7" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.203" />
     <PackageVersion Include="Microsoft.SourceLink.AzureRepos.Git" Version="10.0.203" />
-    <PackageVersion Include="Polyfill" Version="10.4.0" />
+    <PackageVersion Include="Polyfill" Version="10.5.1" />
   </ItemGroup>
 </Project>