diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7c67a21..9d1999e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
+        # when updating channels, also update .mergify.yml
         channel: [ nixos-unstable, nixos-24.05 ]
     steps:
     - uses: actions/checkout@v4
diff --git a/.mergify.yml b/.mergify.yml
index 45ffb1e..dc3bf77 100644
--- a/.mergify.yml
+++ b/.mergify.yml
@@ -1,7 +1,8 @@
 queue_rules:
   - name: default
     merge_conditions:
-      - check-success=tests
+      - check-success=tests (nixos-24.05)
+      - check-success=tests (nixos-unstable)
 defaults:
   actions:
     queue: