diff --git a/tox.ini b/tox.ini
index a7ec5353..14fdfa87 100644
--- a/tox.ini
+++ b/tox.ini
@@ -58,8 +58,9 @@ deps =
 extras =
     tests
 commands_pre =
-    oldestdeps: minimum_dependencies dkist --filename requirements-min.txt
-    oldestdeps: pip install -r requirements-min.txt cryptography<42 jsonschema==4.0.1
+    # We need to pin down the cryptography transitive dependency because of globus
+    oldestdeps: minimum_dependencies dkist --filename requirements-min.txt cryptography<42
+    oldestdeps: pip install -r requirements-min.txt
     figure: python -c "from dkist.data.sample import download_all_sample_data; download_all_sample_data()"
     pip freeze --all --no-input
 commands =