diff --git a/dopt.DeltaBarth/dopt.DeltaBarth.csproj b/dopt.DeltaBarth/dopt.DeltaBarth.csproj
index 26208a2..44be36b 100644
--- a/dopt.DeltaBarth/dopt.DeltaBarth.csproj
+++ b/dopt.DeltaBarth/dopt.DeltaBarth.csproj
@@ -6,12 +6,12 @@
     <Nullable>enable</Nullable>
     <PlatformTarget>x64</PlatformTarget>
     <Platforms>x64</Platforms>
-    <Version>0.4.0</Version>
+    <Version>0.4.1-alpha1</Version>
     <GenerateDocumentationFile>True</GenerateDocumentationFile>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="dopt.SharpPython" Version="0.4.2" />
+    <PackageReference Include="dopt.SharpPython" Version="0.4.4" />
   </ItemGroup>
 
 </Project>