diff --git a/python-packages/install_dependencies.yml b/python-packages/install_dependencies.yml
index b2f4378be80a346c1dee1ee5f8bc155b11a82574..f343e7fcf9eebeeb47a339d9f3413be6600833b8 100644
--- a/python-packages/install_dependencies.yml
+++ b/python-packages/install_dependencies.yml
@@ -9,4 +9,5 @@ virtualenv:
     - tags
     - master
   script:
+    - source $VIRTUALENV_NAME/bin/activate
     - pip install -r requirements.txt  --extra-index-url $ACR_PYPI_INDEX_URL # install required packages look also in artifactory