diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index 8b8bded..1847a1f 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -6,7 +6,7 @@
   <ItemGroup>
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
-    <PackageVersion Include="Polyfill" Version="9.11.0" />
+    <PackageVersion Include="Polyfill" Version="9.12.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.172" />
     <PackageVersion Include="Verify" Version="31.13.2" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />