diff --git a/.drone.yml b/.drone.yml
index 95dac70..c581eeb 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -11,7 +11,7 @@ steps:
 - name: markdown lint
   commands:
   - markdownlint *.md
-  image: docker.io/volkerraschek/markdownlint:0.39.0
+  image: docker.io/volkerraschek/markdownlint:0.40.0
   resources:
     limits:
       cpu: 50