diff --git a/Directory.Packages.props b/Directory.Packages.props
index 3332b9c3c..1968bc10f 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="5.1.0" />
+    <PackageVersion Include="Polyfill" Version="5.2.1" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.12.2" />
     <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.12.2" />
     <PackageVersion Include="Roslynator.CodeAnalysis.Analyzers" Version="4.12.2" />