diff --git a/.travis.yml b/.travis.yml
index 2cd7b9b..ea889e0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -144,6 +144,7 @@ matrix:
   - os: osx
     language: cpp
     compiler: clang
+    env: CXX_STANDARD=11
 
 script:
 - |