diff --git a/.drone.yml b/.drone.yml
index 34fba53..616898a 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,6 +4,10 @@ name: Docker image build
 trigger:
   branch:
     - master
+  event:
+    - cron
+  cron:
+    - weekly
 steps:
   - name: config
     image: alpine:latest