diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e8a2d99d..a203bee9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,6 @@ on:
   push:
     branches: [master, develop]
   pull_request:
-  workflow_call:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index cdf32758..b601330d 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -5,18 +5,13 @@
 name: Mirror to git.mysociety.org
 
 on:
-  push:
+  workflow_run:
+    workflows: [CI, RuboCop]
+    types:
+      - completed
 
 jobs:
-
-  ci:
-    uses: ./.github/workflows/ci.yml
-
-  rubocop:
-    uses: ./.github/workflows/rubocop.yml
-
   mirror:
-    needs: [ci, rubocop]
     runs-on: ubuntu-latest
     steps:
 
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 6c1ca8ce..2bf6ad15 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -1,6 +1,7 @@
 name: RuboCop
 
-on: [pull_request, workflow_call]
+on:
+  pull_request:
 
 permissions:
   contents: read