diff --git a/.travis.yml b/.travis.yml
index f0bdfe3d..3666f39a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ rvm:
   - 2.0.0
   - 2.1
   - 2.2
+  - 2.3.0
 #  - rbx
 #  - jruby
 sudo: true
diff --git a/travis/before_install.sh b/travis/before_install.sh
index 5719ed85..16d7c245 100755
--- a/travis/before_install.sh
+++ b/travis/before_install.sh
@@ -2,5 +2,7 @@
 
 set -e
 
+gem update bundler
+
 sudo apt-get update -qq
 sudo apt-get install -y ldap-utils slapd