diff --git a/.travis.yml b/.travis.yml
index 0ee6779f4..d5f3a9a07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,9 @@ git:
         submodules: false
 language: c
 compiler: gcc
+cache:
+  directories:
+    - linux
 before_install:
         - sudo apt-get -qq update
         - sudo apt-get install -y nasm texinfo libmpfr-dev libmpc-dev libgmp-dev libisl-dev