diff --git a/src/Ookii.Dialogs.WinForms/Ookii.Dialogs.WinForms.csproj b/src/Ookii.Dialogs.WinForms/Ookii.Dialogs.WinForms.csproj
index 5af40ae..03c6954 100644
--- a/src/Ookii.Dialogs.WinForms/Ookii.Dialogs.WinForms.csproj
+++ b/src/Ookii.Dialogs.WinForms/Ookii.Dialogs.WinForms.csproj
@@ -50,7 +50,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Resources.Extensions" Version="6.0.0" />
+    <PackageReference Include="System.Resources.Extensions" Version="9.0.0" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
   </ItemGroup>