diff --git a/.travis.yml b/.travis.yml
index b4d6b14..04478c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,8 @@ addons:
   apt:
     sources:
     - debian-sid
+    packages:
+    - shellcheck
 env:
  - PATH=/usr/bin:/bin:./
 script: