diff --git a/Directory.Packages.props b/Directory.Packages.props
index e32f5ec..34e4a1b 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -69,8 +69,8 @@
     <PackageVersion Include="SonarAnalyzer.CSharp" Version="10.31.0.145097" />
   </ItemGroup>
   <ItemGroup Label="Marten">
-    <PackageVersion Include="Marten" Version="9.20.2" />
-    <PackageVersion Include="Marten.AspNetCore" Version="9.20.2" />
+    <PackageVersion Include="Marten" Version="9.21.0" />
+    <PackageVersion Include="Marten.AspNetCore" Version="9.21.0" />
     <PackageVersion Include="JasperFx.Events" Version="2.36.2" />
     <PackageVersion Include="JasperFx.Events.SourceGenerator" Version="2.35.0" />
     <!-- Force CodeAnalysis to 5.x to satisfy EF design-time tools (NU1608 suppressed) -->