diff --git a/Directory.Packages.props b/Directory.Packages.props
index 379fdcd..a9f73af 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -3,7 +3,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Polyfill" Version="10.4.0" />
+    <PackageVersion Include="Polyfill" Version="10.5.1" />
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.203" />
     <PackageVersion Include="Microsoft.SourceLink.AzureRepos.Git" Version="10.0.203" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />