diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3c5fa716141e8598b668b4c569ca8281428d79b2..366f48dbc1e040cce275266c2b1fdacb122a7465 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,7 @@ hcana_singularity:
   tags: 
      - singularity
   stage: build_sing_img
+  when: manual
   dependencies:
      - hcana_docker
   script: