diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b8c435b8734afc80d9cad764dd22f8f18cf1b3df..0d46c941785e251d64acbadeea10a30ed8ac6f23 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,6 +24,7 @@ before_script:
   - git config pull.rebase false
   - git pull origin HEAD:master
   - if [ ${var+TRIGGER_PYPI_NAME} ]; then echo "Pipeline triggered by ${TRIGGER_PYPI_NAME}"; poetry update ${TRIGGER_PYPI_NAME}; fi
+  - rm poetry.lock
   - poetry install -vv
   # - poetry export -f requirements.txt --output requirements.txt
   # - sed '/^zeroc-ice/,/^[z.*]/{/z.*/!d}' requirements.txt | grep -v zeroc-ice > nozice.txt