diff --git a/travis-linux b/travis-linux
index 2b768db..b4614f8 100755
--- a/travis-linux
+++ b/travis-linux
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -euo pipefail
 
-sudo apt-get install software-properties-common
+sudo apt-get install software-properties-common gcc
 sudo add-apt-repository --yes ppa:george-edison55/cmake-3.x
 sudo apt-get update
 PREBUILT=1 ./make-linux