diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index d00698e..5cdc89b 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -12,7 +12,7 @@
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="10.0.7" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
     <PackageVersion Include="Microsoft.Office.Interop.Excel" Version="16.0.18925.20022" Pinned="true" />
-    <PackageVersion Include="Polyfill" Version="10.4.0" />
+    <PackageVersion Include="Polyfill" Version="10.5.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
     <PackageVersion Include="ProjectFiles" Version="1.1.1" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />