diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 51d0141..165cea6 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -50,7 +50,7 @@
   <PropertyGroup>
     <EnablePackageValidation>true</EnablePackageValidation>
     <!-- The last published version; bump it after each release. -->
-    <PackageValidationBaselineVersion>0.3.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>0.4.0</PackageValidationBaselineVersion>
     <!-- RS0026/RS0027 are overload-design advice. The overloads that trip them are deliberate: a
          cancellation token last and optional, beside an overload that takes progress. -->
     <NoWarn>$(NoWarn);RS0026;RS0027</NoWarn>