diff --git a/.mergify.yml b/.mergify.yml
index df16bc4e..137dad9b 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -6,6 +6,7 @@ pull_request_rules:
       - "#approved-reviews-by>=1"
       - base=master
       - label=automerge
+      - label!=WIP
       # We need to list them all individually. Here is why: https://doc.mergify.io/conditions.html#validating-all-status-check
       - "status-success=ci/circleci: build"
       - "status-success=ci/circleci: coverage"