diff --git a/Tests/Data/ThermoRichardsMechanics/A2/A2.prj b/Tests/Data/ThermoRichardsMechanics/A2/A2.prj
index 34844cd5d44bce52ec96d925dfb2792de13a71b2..f1ed1e528420321cb9c649c7c599bbb755360ae8 100644
--- a/Tests/Data/ThermoRichardsMechanics/A2/A2.prj
+++ b/Tests/Data/ThermoRichardsMechanics/A2/A2.prj
@@ -475,7 +475,7 @@
         <vtkdiff>
             <regex>A2_ts_.*.vtu</regex>
             <field>sigma</field>
-            <absolute_tolerance>3e-8</absolute_tolerance>
+            <absolute_tolerance>5e-8</absolute_tolerance>
             <relative_tolerance>1e-15</relative_tolerance>
         </vtkdiff>
         <vtkdiff>