diff --git a/.travis.yml b/.travis.yml
index 77d9f91f..bbfbe798 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ addons:
   postgresql: "9.3"
 
 before_install:
+  - sudo apt-get update
   - sudo apt-get install -y pkg-config libcairo2-dev libjpeg8-dev libgif-dev
   - sudo apt-get install postgresql-plpython-9.3
   - createdb template_postgis