diff --git a/.travis.yml b/.travis.yml
index 32a8229..17c6c36 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,4 +4,7 @@ rust:
   - stable
   - beta
   - nightly
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install libgsl-dev -y