diff --git a/.travis.yml b/.travis.yml
index 2f198ba..18da581 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,6 @@ language: cpp
 
 sudo: false
 
-python: "2.7"
-
 branches:
   only:
     - master
@@ -86,7 +84,7 @@ matrix:
 
     - os: linux
       compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=11,14,17
+      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=11,14,17,2a
       addons:
         apt:
           packages:
@@ -192,6 +190,17 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-trusty-6.0
 
+    - os: linux
+      compiler: clang++-7
+      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-7
+          sources:
+            - ubuntu-toolchain-r-test
+            - llvm-toolchain-trusty-7
+
     - os: linux
       compiler: clang++-libc++
       env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=11,14,1z
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 799f9c0..689f317 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 cmake_minimum_required(VERSION 3.5)
 
-project(BoostMp11 VERSION 1.69.0 LANGUAGES CXX)
+project(BoostMp11 VERSION 1.70.0 LANGUAGES CXX)
 
 add_library(boost_mp11 INTERFACE)
 set_property(TARGET boost_mp11 PROPERTY EXPORT_NAME mp11)