diff --git a/Directory.Build.props b/Directory.Build.props
index a472fa3..8d6fec6 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -1,8 +1,8 @@
 <Project>
 
   <PropertyGroup>
-    <VersionPrefix>5.21.0</VersionPrefix>
-    <PackageValidationBaselineVersion>5.19.1</PackageValidationBaselineVersion>
+    <VersionPrefix>5.21.1</VersionPrefix>
+    <PackageValidationBaselineVersion>5.21.0</PackageValidationBaselineVersion>
     <LangVersion>12.0</LangVersion>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index f8d3819..8374231 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -1,5 +1,9 @@
 # Release Notes
 
+## 5.21.1
+
+* Send verbosity argument to `dotnet test`.
+
 ## 5.21.0
 
 * Add `BuildApp.CommandLineParsed` to allow initialization based on arguments.