diff --git a/.github/workflows/CADRE_test_workflow.yml b/.github/workflows/CADRE_test_workflow.yml
index 97c49ad..70c4aca 100644
--- a/.github/workflows/CADRE_test_workflow.yml
+++ b/.github/workflows/CADRE_test_workflow.yml
@@ -40,14 +40,14 @@ jobs:
       - name: Setup conda
         uses: conda-incubator/setup-miniconda@v2
         with:
-          python-version: 3
+          python-version: 3.11
           conda-version: "*"
           channels: conda-forge,defaults
           channel-priority: true
 
       - name: Create Environment
         run: |
-          conda install numpy scipy -q -y
+          conda install numpy=1.23 scipy -q -y
 
           python -m pip install --upgrade pip
 
diff --git a/CADRE/test/test_mdp.py b/CADRE/test/test_mdp.py
index 593e2ae..e5bd96f 100644
--- a/CADRE/test/test_mdp.py
+++ b/CADRE/test/test_mdp.py
@@ -10,8 +10,11 @@
 import pickle
 import unittest
 
+from packaging.version import Version
+
 import numpy as np
 
+from openmdao import __version__ as om_version
 from openmdao.api import Problem, PETScKrylov
 from openmdao.utils.mpi import MPI
 
@@ -161,7 +164,15 @@ def test_CADRE_MDP(self):
                     bkey2 = '.'.join(parts)
 
                 actual = Ja[key1][key2]
-                computed = Jb[bkey1, bkey2]
+                if Version(om_version) <= Version("3.30"):
+                    computed = Jb[bkey1, bkey2]
+                else:
+                    # as of OpenMDAO 3.31.0, the keys in the jac are the 'user facing' names
+                    # given to the design vars and responses, rather than the absolute names
+                    # that were used previously
+                    computed = Jb[prob.model._var_allprocs_abs2prom['output'][bkey1],
+                                  prob.model._var_allprocs_abs2prom['output'][bkey2]]
+
                 if isinstance(computed, np.ndarray):
                     rel = np.linalg.norm(actual - computed)/np.linalg.norm(actual)
                 else: