diff --git a/.travis.yml b/.travis.yml
index 30bcc15..4677c69 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,10 @@ compiler:
  - clang
  - gcc
 
+before_install:
+ - sudo apt-get update -q
+ - sudo apt-get install -y pkg-config
+
 before_script:
  - ./autogen.sh
  - ./configure --enable-developer-warnings --enable-werror