diff --git a/.github/workflows/apple.yml b/.github/workflows/apple.yml
index e13d6701..37f2b365 100644
--- a/.github/workflows/apple.yml
+++ b/.github/workflows/apple.yml
@@ -2,6 +2,7 @@ name: MacOS Python build
 
 on:
   push:
+    branches: [main]
   pull_request:
   schedule:
     - cron: '13 11 * * *'
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index d8710952..41a6f36e 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -2,6 +2,7 @@ name: Linux Python build
 
 on:
   push:
+    branches: [main]
   pull_request:
   schedule:
     - cron: '13 11 * * *'
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 19bdba30..38679183 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -2,6 +2,7 @@ name: Windows Python build
 
 on:
   push:
+    branches: [main]
   pull_request:
   schedule:
     - cron: '13 11 * * *'