diff --git a/modules/porous_flow/test/tests/jacobian/tests b/modules/porous_flow/test/tests/jacobian/tests
index 43ff4ea6f580..21c641c0fc8f 100644
--- a/modules/porous_flow/test/tests/jacobian/tests
+++ b/modules/porous_flow/test/tests/jacobian/tests
@@ -223,7 +223,7 @@
   [fflux07]
     type = 'PetscJacobianTester'
     input = 'fflux07.i'
-    ratio_tol = 1E-6 # lots of chain rules here
+    ratio_tol = 5E-6 # lots of chain rules here
     difference_tol = 1E10
     cli_args = 'Executioner/num_steps=1'
     threading = '!pthreads'
@@ -895,7 +895,7 @@
   [brineco2_twophase_nonisothermal]
     type = 'PetscJacobianTester'
     input = 'brineco2_twophase_nonisothermal.i'
-    ratio_tol = 1e-6 # Lots of chain rule derivatives
+    ratio_tol = 5e-6 # Lots of chain rule derivatives
     difference_tol = 1e10
     cli_args = '-mat_fd_type ds Executioner/num_steps=1'
     threading = '!pthreads'