diff --git a/.drone.yml b/.drone.yml
index 81f52d2..a74193e 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -6,6 +6,12 @@ steps:
   image: silex/emacs:27-alpine
   commands:
     - emacs --script export.el
+  when:
+    branch:
+    - master
+    event:
+      exclude:
+      - pull_request
 
 - name: deploy
   image: appleboy/drone-scp