diff --git a/.travis.yml b/.travis.yml
index 37109d0..c16ef30 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,7 @@
 os: 
     - linux
     - osx
+osx_image: xcode11.3
 dist: trusty
 language: cpp
 addons: