From 043eff5ba8592e7a884403d605b74ef2026d725a Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Tue, 31 Jul 2018 21:18:33 +0200
Subject: [PATCH] :construction_worker: added more CI workers

---
 .travis.yml | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index ecc8c362..eda8ab72 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -158,6 +158,9 @@ matrix:
   - os: osx
     osx_image: xcode9.3
 
+  - os: osx
+    osx_image: xcode9.4
+
   # Linux / GCC
 
   - os: linux
@@ -192,15 +195,23 @@ matrix:
         sources: ['ubuntu-toolchain-r-test']
         packages: ['g++-7', 'ninja-build']
 
+  - os: linux
+    compiler: gcc
+    env: COMPILER=g++-8
+    addons:
+      apt:
+        sources: ['ubuntu-toolchain-r-test']
+        packages: ['g++-8', 'ninja-build']
+
   - os: linux
     compiler: gcc
     env:
-      - COMPILER=g++-7
+      - COMPILER=g++-8
       - CXXFLAGS=-std=c++17
     addons:
       apt:
         sources: ['ubuntu-toolchain-r-test']
-        packages: ['g++-7', 'ninja-build']
+        packages: ['g++-8', 'ninja-build']
 
   # Linux / Clang