diff --git a/src/Directory.Packages.props b/src/Directory.Packages.props
index c37d7e0..e46458c 100644
--- a/src/Directory.Packages.props
+++ b/src/Directory.Packages.props
@@ -12,7 +12,7 @@
     <PackageVersion Include="NServiceBus" Version="9.1.1" />
     <PackageVersion Include="NUnit" Version="4.2.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
-    <PackageVersion Include="Polyfill" Version="6.4.1" />
+    <PackageVersion Include="Polyfill" Version="6.5.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.134" />
     <PackageVersion Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageVersion Include="Verify.NServiceBus" Version="10.3.0" />