diff --git a/Directory.Packages.props b/Directory.Packages.props
index 6bb3e80..e3b7589 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -19,7 +19,7 @@
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
 
     <PackageVersion Include="Nullable" Version="1.3.1" />
-    <PackageVersion Include="Polyfill" Version="9.7.4" />
+    <PackageVersion Include="Polyfill" Version="9.9.0" />
     <PackageVersion Include="JetBrains.Annotations" Version="2025.2.4" />
     <PackageVersion Include="JetBrains.Annotations.Sources" Version="2025.2.4" />
   </ItemGroup>