diff --git a/ProcessLib/PhaseField/Tests.cmake b/ProcessLib/PhaseField/Tests.cmake
index 19e38d0c22a5bd46590c80f69e018b46ca258bc1..b04be3d877fe8bf9fc6f9e9ad09b91811f0bbf8f 100644
--- a/ProcessLib/PhaseField/Tests.cmake
+++ b/ProcessLib/PhaseField/Tests.cmake
@@ -161,7 +161,7 @@ AddTest(
 
 if(OGS_USE_PETSC)
     NotebookTest(NOTEBOOKFILE PhaseField/surfing_jupyter_notebook/surfing_pyvista.py RUNTIME 25)
-    NotebookTest(NOTEBOOKFILE PhaseField/beam_jupyter_notebook/beam.py RUNTIME 500 PROPERTIES PROCESSORS 3)
+    NotebookTest(NOTEBOOKFILE PhaseField/beam_jupyter_notebook/beam.py RUNTIME 1200 PROPERTIES PROCESSORS 3)
     NotebookTest(NOTEBOOKFILE PhaseField/tpb_jupyter_notebook/TPB.py RUNTIME 110 PROPERTIES PROCESSORS 4)
     NotebookTest(NOTEBOOKFILE PhaseField/kregime_jupyter_notebook/Kregime_Static_jupyter.py RUNTIME 40)
     NotebookTest(NOTEBOOKFILE PhaseField/PForthotropy_jupyter_notebook/sen_shear.py RUNTIME 500 PROPERTIES PROCESSORS 4)