diff --git a/.github/workflows/misc.yml b/.github/workflows/misc.yml
index 12e621c957..b5a3f9f498 100644
--- a/.github/workflows/misc.yml
+++ b/.github/workflows/misc.yml
@@ -2,7 +2,15 @@ name: Miscellaneous checks
 
 # This file runs doctests on the documentation and style checks
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - maint/*
+  pull_request:
+    branches:
+      - master
+      - maint/*
 
 defaults:
   run:
diff --git a/.github/workflows/pre-release.yml b/.github/workflows/pre-release.yml
index 91a99c4e2a..bfee49577b 100644
--- a/.github/workflows/pre-release.yml
+++ b/.github/workflows/pre-release.yml
@@ -2,7 +2,17 @@ name: Pre-release checks
 
 # This file tests against pre-release wheels for dependencies
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - maint/*
+  pull_request:
+    branches:
+      - master
+      - maint/*
+  schedule:
+    - cron: '0 0 * * *'
 
 defaults:
   run:
diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index babcf8738d..3618db9494 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -6,7 +6,17 @@ name: Stable tests
 # * Dependencies: minimum requirements, optional requirements
 # * Installation methods: setup.py, sdist, wheel, archive
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+      - maint/*
+  pull_request:
+    branches:
+      - master
+      - maint/*
+  schedule:
+    - cron: '0 0 * * 1'
 
 defaults:
   run: