diff --git a/Directory.Packages.props b/Directory.Packages.props
index 6c0d1bc7..aea93854 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -8,7 +8,7 @@
         <PackageVersion Include="Rocket.Surgery.MSBuild.GitVersion" Version="1.2.1" />
         <PackageVersion Include="Rocket.Surgery.MSBuild.JetBrains.Annotations" Version="1.2.1" Condition="'$(MSBuildProjectName)'!='.build'" />
         <PackageVersion Include="Rocket.Surgery.MSBuild.SourceLink" Version="1.2.1" />
-        <PackageVersion Include="Polyfill" Version="6.3.0" />
+        <PackageVersion Include="Polyfill" Version="6.4.0" />
         <PackageVersion Include="Roslynator.Analyzers" Version="4.12.4" />
         <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.12.4" />
         <PackageVersion Include="Roslynator.CodeAnalysis.Analyzers" Version="4.12.4" />