diff --git a/Lombiq.JsonEditor.Test.UI/Lombiq.JsonEditor.Tests.UI.csproj b/Lombiq.JsonEditor.Test.UI/Lombiq.JsonEditor.Tests.UI.csproj
index 9d8e9e3..662c178 100644
--- a/Lombiq.JsonEditor.Test.UI/Lombiq.JsonEditor.Tests.UI.csproj
+++ b/Lombiq.JsonEditor.Test.UI/Lombiq.JsonEditor.Tests.UI.csproj
@@ -21,7 +21,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(NuGetBuild)' == 'true'">
-    <PackageReference Include="Lombiq.Tests.UI" Version="11.1.1-alpha.2.osoe-903" />
+    <PackageReference Include="Lombiq.Tests.UI" Version="12.0.0" />
   </ItemGroup>
 
   <ItemGroup>