diff --git a/.woodpecker/build.yml b/.woodpecker/build.yml
index 12bfb61..8278458 100644
--- a/.woodpecker/build.yml
+++ b/.woodpecker/build.yml
@@ -1,3 +1,6 @@
+when:
+  branch: master
+
 pipeline:
     check_self:
         # failure: ignore # this doesnt work