diff --git a/.github/workflows/core.yml b/.github/workflows/core.yml
index 0909a5e1..52808cc3 100644
--- a/.github/workflows/core.yml
+++ b/.github/workflows/core.yml
@@ -47,6 +47,7 @@ jobs:
         name: LSPosed-debug
         path: './LSPosed-debug/*'
     - name: Post to channel
+      if: ${{ github.event_name != 'pull_request' && success() && github.ref == 'refs/heads/master' }}
       env:
         CHANNEL_ID: ${{ secrets.CHANNEL_ID }}
         BOT_TOKEN: ${{ secrets.BOT_TOKEN }}
diff --git a/.github/workflows/manager.yml b/.github/workflows/manager.yml
index 24c1e11b..45740c68 100644
--- a/.github/workflows/manager.yml
+++ b/.github/workflows/manager.yml
@@ -49,7 +49,7 @@ jobs:
           name: manager-unsigned
           path: "app/build/outputs/apk/release/*.apk"
       - name: Post to channel
-        if: ${{ github.event_name != 'pull_request' && success() }}
+        if: ${{ github.event_name != 'pull_request' && success() && github.ref == 'refs/heads/master' }}
         env:
           CHANNEL_ID: ${{ secrets.CHANNEL_ID }}
           BOT_TOKEN: ${{ secrets.BOT_TOKEN }}