diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 51ab17c61ee5dd2414f2bf58f2873ba3cba816bb..e26d64815046115a06e7569300536bd7ace3dc95 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -107,7 +107,9 @@ database:
   #extends: .only-main-mr
   needs: ['benchmark']
   script:
-    - ./scripts/database.sh
+    - guix time-machine -C .guix/scalfmm-channels.scm -- shell --pure --preserve="^CI|proxy$"
+        -m .guix/scalfmm-manifest-gcc-mkl-bench.scm
+        -- /bin/bash --norc ./scripts/database.sh
   artifacts:
     when: always
     paths: