diff --git a/.github/workflows/periodic-merge-24h.yml b/.github/workflows/periodic-merge-24h.yml
index 81c5694f43d..9032b3d7d91 100644
--- a/.github/workflows/periodic-merge-24h.yml
+++ b/.github/workflows/periodic-merge-24h.yml
@@ -28,6 +28,10 @@ jobs:
         pairs:
           - from: master
             into: haskell-updates
+          - from: release-21.05
+            into: staging-next-21.05
+          - from: staging-next-21.05
+            into: staging-21.05
     name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/periodic-merge-6h.yml b/.github/workflows/periodic-merge-6h.yml
index 68fde857f88..daa9b6d3c84 100644
--- a/.github/workflows/periodic-merge-6h.yml
+++ b/.github/workflows/periodic-merge-6h.yml
@@ -30,10 +30,6 @@ jobs:
             into: staging-next
           - from: staging-next
             into: staging
-          - from: release-21.05
-            into: staging-next-21.05
-          - from: staging-next-21.05
-            into: staging-21.05
     name: ${{ matrix.pairs.from }} → ${{ matrix.pairs.into }}
     steps:
       - uses: actions/checkout@v2