diff --git a/.travis.yml b/.travis.yml
index 7ab8e87..91bd5d8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,26 +7,26 @@ matrix:
       sudo: false
       python: 2.7
       env:
-        - TRAVIS_CLANG=clang-5.0
+        - TRAVIS_CLANG=clang-6.0
     - os: linux
       dist: trusty
       sudo: false
       python: 3.4
       env:
-        - TRAVIS_CLANG=clang-5.0
+        - TRAVIS_CLANG=clang-6.0
     - os: linux
       dist: trusty
       sudo: false
       python: 3.5
       env:
-        - TRAVIS_CLANG=clang-5.0
+        - TRAVIS_CLANG=clang-6.0
         - TYPECHECK=true
     - os: linux
       dist: trusty
       sudo: false
       python: 3.6
       env:
-        - TRAVIS_CLANG=clang-5.0
+        - TRAVIS_CLANG=clang-6.0
         - TYPECHECK=true
     - os: osx
       osx_image: xcode7.3
@@ -38,10 +38,10 @@ matrix:
 addons:
   apt:
     sources:
-      - llvm-toolchain-trusty-5.0
+      - llvm-toolchain-trusty-6.0
       - ubuntu-toolchain-r-test
     packages:
-      - clang-5.0
+      - clang-6.0
       - cmake
       - scons
       - qt4-qmake