diff --git a/.travis.yml b/.travis.yml
index d184060..3d063ed 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 bundler_args: --without development
 before_install:
   - gem uninstall -v '>= 2' -i $(rvm gemdir)@global -ax bundler || true
-  - gem install bundler -v '~> 1.14'
+  - gem install bundler -v '1.17.3'
+install:
+ - bundle _1.17.3_ install --jobs=3 --retry=3
 cache: bundler
 env:
   global: