diff --git a/.travis.yml b/.travis.yml
index 8b0ee55..acc40ff 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: c
 os:
   - linux
 before_install:
+  - sudo apt-get update -qq
+  - sudo apt-get install dnsutils
 compiler:
   - clang
   - gcc