diff --git a/JenkinsfileRT_dev b/JenkinsfileRT_dev
index 7c8b3d11c..91e22ee9d 100644
--- a/JenkinsfileRT_dev
+++ b/JenkinsfileRT_dev
@@ -83,6 +83,7 @@ bc0.conda_packages = [
 bc0.pip_reqs_files = ['requirements-dev-thirdparty.txt']
 bc0.build_cmds = [
     "pip install -e .[test]",
+    "pip uninstall deepdiff",
     "pip install pytest-xdist pytest-sugar",
     'echo "CRDS_CONTEXT = $(crds list --contexts $CRDS_CONTEXT --mappings | grep pmap)"',
 ]