diff --git a/.travis.yml b/.travis.yml
index 92bed07..55bd5d2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,5 +6,5 @@ rust:
   - nightly
 before_install:
   - sudo apt-get -qq update
-  - sudo apt-get install libgsl0-dev -y
+  - sudo apt-get install libgsl0-dev libgsl0ldbl