diff --git a/.travis.yml b/.travis.yml
index e6943fadd..d73cfd5d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,14 @@
 language: bash
 sudo: false
 
 addons:
   apt:
     sources:
       - debian-sid
     packages:
+      - libxml2-utils
       - shellcheck
 script:
   - ./ci/build.sh
 notifications:
   email: false