diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a61b56fb..fed5cf5c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,6 +39,7 @@ build_ssc:
       - ./SSC/ssc_bin
     expire_in: 6 mos
   script:
+    - /usr/bin/python -m pip install --user -r ${IDF_PATH}/requirements.txt
     - git clone $GITLAB_SSH_SERVER/yinling/SSC.git
     - cd SSC
     # try checkout same branch