diff --git a/fs2ff.csproj b/fs2ff.csproj
index a28978a..2e9719d 100644
--- a/fs2ff.csproj
+++ b/fs2ff.csproj
@@ -46,7 +46,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="5.0.0" />
-    <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.37" />
+    <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.39" />
     <PackageReference Include="ModernWpfUI" Version="0.9.4" />
     <PackageReference Include="PropertyChanged.Fody" Version="3.4.0">
       <PrivateAssets>all</PrivateAssets>