diff --git a/.gitlab-ci/commit-rules.yml b/.gitlab-ci/commit-rules.yml
index 2aa32d992..4c0f93d50 100644
--- a/.gitlab-ci/commit-rules.yml
+++ b/.gitlab-ci/commit-rules.yml
@@ -12,3 +12,5 @@ patterns:
     - regex: '([^.]\.|[:,;])\s*$'
       message: Commit message subject should not end with punctuation
       where: subject
+    - regex: '^Closes:?\s*#[0-9]+'
+      message: Closes instructions must be a full link