diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 90f1f8a9eed5569cc0c21892efecaac4c14adc3d..f2d31c2de53b5f738539b9853e9d91d1f574de7c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,8 +6,7 @@ build:
   tags: ["x64"]
   script:
     - echo $SHELL
-    - eval "$(micromamba shell hook --shell=bash)"
-    - micromamba activate
+    - source /root/.bashrc
     - sage -pip install "pseudowalls==0.0.3" --extra-index-url https://gitlab.com/api/v4/projects/43962374/packages/pypi/simple
     - make || echo make failed
   artifacts: