diff --git a/.travis.yml b/.travis.yml
index c52f40e4137e495ad0e06e7bccb40902af139c02..e3ab394f5e60dbbc89cb98ce201e2932d89f9849 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ notifications:
 matrix:
   include:
     - os: osx
-      osx_image: xcode8
+      osx_image: xcode9
       compiler: clang
       env:
         - OPENSLL_ROOT_DIR=/usr/local/opt/openssl