diff --git a/Directory.Packages.props b/Directory.Packages.props
index 207a9d5..3a0e32e 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -62,7 +62,7 @@
 
     <!-- Development dependencies -->
     <ItemGroup>
-        <GlobalPackageReference Include="Polyfill" Version="11.4.1"/>
+        <GlobalPackageReference Include="Polyfill" Version="11.4.3"/>
         <GlobalPackageReference Include="JetBrains.Annotations.Sources" Version="2026.2.0"/>
     </ItemGroup>