diff --git a/dev/playbooks/run_unit_tests.yaml b/dev/playbooks/run_unit_tests.yaml
old mode 100644
new mode 100755
index bc33b32c65..8e93ce07e8
--- a/dev/playbooks/run_unit_tests.yaml
+++ b/dev/playbooks/run_unit_tests.yaml
@@ -27,6 +27,13 @@
       include_role:
         name: galaxy_ng.tools.pulp_smash
 
+    - name: workaround packaging&pulp-glue conflict
+      command:
+        cmd: "{{ item }}"
+      with_items:
+        - "pip3 uninstall -y pulp-glue"
+        - "pip3 install 'pulp-glue<0.29,>=0.18.0' packaging"
+
 
 - name: Run the tests
   hosts: pulp
@@ -49,4 +56,3 @@
     - name: "Run the unit tests"
       galaxy_ng.tools.local_run:
         command: docker exec pulp /bin/bash -c '/tmp/run_units.sh'
-