diff --git a/.drone.yml b/.drone.yml
index d7a1972..24c1efb 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -23,6 +23,13 @@ steps:
   commands:
   - mdl --style all --warnings .
 
+- name: shellcheck
+  image: koalaman/shellcheck
+  environment:
+    WORKDIR: /drone/src
+  commands:
+  - shellcheck *.sh
+
 ---
 kind: pipeline
 name: unit tests