diff --git a/Directory.Packages.props b/Directory.Packages.props
index be5f9dc..e6e3983 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -46,7 +46,7 @@
     <!-- SDK-required packages -->
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="10.0.203" />
     <PackageVersion Include="Microsoft.SourceLink.AzureRepos.Git" Version="10.0.203" />
-    <PackageVersion Include="Polyfill" Version="10.5.0" />
+    <PackageVersion Include="Polyfill" Version="10.5.1" />
 
     <!-- File System Abstractions -->
     <PackageVersion Include="TestableIO.System.IO.Abstractions" Version="22.0.14" />