diff --git a/reg_tests/test_files/VOFZalDisk/VOFZalDisk.yaml b/reg_tests/test_files/VOFZalDisk/VOFZalDisk.yaml
index b91009431..9aad9fbce 100755
--- a/reg_tests/test_files/VOFZalDisk/VOFZalDisk.yaml
+++ b/reg_tests/test_files/VOFZalDisk/VOFZalDisk.yaml
@@ -6,13 +6,15 @@ Simulations:
 linear_solvers:
 
   - name: solve_scalar
-    type: tpetra
-    method: gmres
-    preconditioner: sgs
+    type: hypre
+    method: hypre_gmres
+    preconditioner: boomerAMG
     tolerance: 1e-12
-    max_iterations: 50
-    kspace: 50
+    max_iterations: 200
+    kspace: 75
     output_level: 0
+    bamg_relax_type: 18
+    bamg_max_levels: 1
 
 realms: