diff --git a/.travis.yml b/.travis.yml
index 46c9de1..21cbb67 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,11 +11,11 @@ addons:
     sources:
     - ubuntu-toolchain-r-test
     packages:
-    - gcc-6
-    - g++-6
+    - gcc-8
+    - g++-8
     - cmake
 env:
-- CC=/usr/bin/gcc-6 CXX=/usr/bin/g++-6
+- CC=/usr/bin/gcc-8 CXX=/usr/bin/g++-8
 
 install:
 # Install `cargo-deadlinks` unless it is currently installed.