diff --git a/.gitlab/dependabot.yml b/.gitlab/dependabot.yml
index 0e19d77a8309402dfd27b0887d4290d5ab49e878..2a26ed200802c829778ebf879df105444eb1cc12 100644
--- a/.gitlab/dependabot.yml
+++ b/.gitlab/dependabot.yml
@@ -5,6 +5,7 @@ updates:
     schedule:
       interval: "daily"
     pull-request-branch-name:
-      prefix: 'bump'
+      separator: "-"
+      prefix: "bump"
       max-length: 40
     auto-merge: true