diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 97c4fb343dd4456afd138eca1598e0a6bbf1fce4..58558dca716c5aaa672e4d53f1f3f6ccb6354367 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -126,11 +126,12 @@ sync_repo_on_HPC:
 
 update_acls:
   stage: deploy
-  matrix:
-    - SYSTEM:
-      - juwels
-      - jureca
-      - jusuf
+  parallel:
+    matrix:
+      - SYSTEM:
+        - juwels
+        - jureca
+        - jusuf
   tags:
     - jacamar
     - ${SYSTEM}