diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 4d5da37..7f3d24a 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -43,7 +43,7 @@
 
   <ItemGroup>
     <PackageReference Include="ConfigureAwaitChecker.Analyzer" Version="5.0.0.1" PrivateAssets="All" />
-    <PackageReference Include="Polyfill " Version="7.11.0" PrivateAssets="All" />
+    <PackageReference Include="Polyfill " Version="7.12.0" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>