diff --git a/Tests/Data/requirements.txt b/Tests/Data/requirements.txt
index a8bd134365bc9cdeebc166e80c35f13d1a00b7a1..65f0ac16b4ae86a93cb07f9995e538198307bb4b 100644
--- a/Tests/Data/requirements.txt
+++ b/Tests/Data/requirements.txt
@@ -9,3 +9,5 @@ numpy==1.23.4
 pandas==1.4.2
 pyvista==0.36.1
 -e git+https://github.com/joergbuchwald/VTUinterface@05793c7be84fbcb7d9f8f740c3dc667089a61505#egg=vtuinterface
+--extra-index-url https://gitlab.kitware.com/api/v4/projects/13/packages/pypi/simple
+vtk-osmesa==9.2.6;platform_system=='Linux'