diff --git a/.travis.yml b/.travis.yml
index 67c82c5..02ae786 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 # Build Configuration for Travis CI
 # https://travis-ci.org
 
-dist: trusty
+dist: bionic
 language: cpp
 
 matrix:
@@ -68,18 +68,17 @@ matrix:
         - sudo apt-get update
         - sudo apt-get purge g++
         - sudo apt-get install g++-6
-        - sudo apt-get install clang-3.6
-        - CC=clang-3.6 && CXX=clang++-3.6
+        - sudo apt-get install clang-3.9
+        - CC=clang-3.9 && CXX=clang++-3.9
       addons:
         apt:
           sources:
             - ubuntu-toolchain-r-test
-            - llvm-toolchain-trusty-3.6
           packages:
             - ninja-build
             - xorg-dev 
             - libglu1-mesa-dev
-      compiler: clang++-3.6
+      compiler: clang++-3.9
 
     - os: linux
       before_install: