1 files changed, 5 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 2610102..5e5c816 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,11 @@ cache:
   directories:
   - $HOME/.stack
 
+addons:
+  apt:
+    packages:
+    - libgmp-dev
+
 before_install:
 - mkdir -p ~/.local/bin
 - export PATH=$HOME/.local/bin:$PATH