diff --git a/src/DfsShell/DfsShell.csproj b/src/DfsShell/DfsShell.csproj
index 478c6ab..afc4ba9 100644
--- a/src/DfsShell/DfsShell.csproj
+++ b/src/DfsShell/DfsShell.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Ookii.CommandLine" Version="4.0.1" />
+    <PackageReference Include="Ookii.CommandLine" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Ookii.Jumbo.Jet/Ookii.Jumbo.Jet.csproj b/src/Ookii.Jumbo.Jet/Ookii.Jumbo.Jet.csproj
index 2fd087c..7274de1 100644
--- a/src/Ookii.Jumbo.Jet/Ookii.Jumbo.Jet.csproj
+++ b/src/Ookii.Jumbo.Jet/Ookii.Jumbo.Jet.csproj
@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="Lokad.ILPack" Version="0.2.0" />
-    <PackageReference Include="Ookii.CommandLine" Version="4.0.1" />
+    <PackageReference Include="Ookii.CommandLine" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/src/Ookii.Jumbo.Test/Ookii.Jumbo.Test.csproj b/src/Ookii.Jumbo.Test/Ookii.Jumbo.Test.csproj
index 39013ea..9deb501 100644
--- a/src/Ookii.Jumbo.Test/Ookii.Jumbo.Test.csproj
+++ b/src/Ookii.Jumbo.Test/Ookii.Jumbo.Test.csproj
@@ -28,7 +28,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
-    <PackageReference Include="Ookii.CommandLine" Version="4.0.1" />
+    <PackageReference Include="Ookii.CommandLine" Version="4.1.0" />
     <PackageReference Include="SharpZipLib" Version="1.4.2" />
   </ItemGroup>