diff --git a/.travis.yml b/.travis.yml
index 03b2792c043..b10ffc75bb5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -64,6 +64,7 @@ matrix:
           packages:
             - autoconf2.13
             - cmake
+            - gcc-6
             - g++-6
             - gperf
             - libosmesa6-dev