diff --git a/.travis.yml b/.travis.yml
index 8d3f2805..6156e9ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -170,6 +170,15 @@ matrix:
             - g++-7
       env:
         - MATRIX_EVAL="CC=gcc-7 && CXX=g++-7"
+    - os: linux
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-8
+      env:
+        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
     #- os: osx
     #  osx_image: xcode8
     #  env:
@@ -249,6 +258,26 @@ matrix:
             - clang-5.0
       env:
         - MATRIX_EVAL="CC=clang-5.0 && CXX=clang++-5.0"
+    - os: linux
+      addons:
+        apt:
+          sources:
+            - llvm-toolchain-trusty-6.0
+            - ubuntu-toolchain-r-test
+          packages:
+            - clang-6.0
+      env:
+        - MATRIX_EVAL="CC=clang-6.0 && CXX=clang++-6.0"
+    - os: linux
+      addons:
+        apt:
+          sources:
+            - llvm-toolchain-trusty-7
+            - ubuntu-toolchain-r-test
+          packages:
+            - clang-7
+      env:
+        - MATRIX_EVAL="CC=clang-7 && CXX=clang++-7"
     - os: linux
       compiler: clang
       addons: