diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6cd2c9b84f6a4bc07464cc9b791bd745ff5bc143..b07f3c114a43e6e1f312e018911a76d93b5cb738 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,13 +1,14 @@
 default:
   image: python:3.9-slim-buster
   cache:
+    key: "$CI_PIPELINE_ID"
     paths:
-      - $CI_PROJECT_DIR/.venv
+      - venv/
       - $CI_PROJECT_DIR/.cache/pip
   before_script:
     - python -V
-    - python -m venv $CI_PROJECT_DIR/.venv
-    - source $CI_PROJECT_DIR/.venv/bin/activate
+    - python -m venv venv
+    - source venv/bin/activate
     - pip install --upgrade pip
     - pip install --force-reinstall --index-url https://pypi.anaconda.org/intel/simple --no-dependencies numpy scipy==1.7.3
     - pip install numpy scipy==1.7.3