diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c74e8cd2a2913e07591367b844e3e02fbe2e9b78..69c2ece0cc65fb40e720e768b16df6b31e5a2b4d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 before_script:
   - module add  python/3.6.1-2-anaconda
-  - pip install --user pytest-pythonpath=0.7.1 pytest-cov=2.5.1
+  - pip install --user pytest-pythonpath==0.7.1 pytest-cov==2.5.1
   - module load  nextflow/0.31.0
   - ln -s /project/shared/bicf_workflow_ref/workflow_testdata/chipseq/*fastq.gz test_data/