diff --git a/.travis.yml.lxd b/.travis.yml.lxd
index 42eab8e..fbfa652 100644
--- a/.travis.yml.lxd
+++ b/.travis.yml.lxd
@@ -2,7 +2,7 @@
 dist: trusty
 sudo: required
 rvm:
-  - 2.2
+  - 2.4
 
 env:
 ## those images need pre-configuration before being usable (openssh...)
diff --git a/.travis.yml.lxd-kitchen b/.travis.yml.lxd-kitchen
index 2d776a9..8a89296 100644
--- a/.travis.yml.lxd-kitchen
+++ b/.travis.yml.lxd-kitchen
@@ -2,7 +2,7 @@
 dist: trusty
 sudo: required
 rvm:
-  - 2.2
+  - 2.4
 
 env:
 ## those images need pre-configuration before being usable (openssh...)
@@ -60,7 +60,7 @@ before_install:
   - which kitchen
 #  - which chef
 #  - find /var/lib/gems $HOME/.gem /usr/local/rvm/gems /opt/chefdk/embedded/lib/ruby/gem -iname '*lxd_cli*' || true
-  - wget -q https://releases.hashicorp.com/vagrant/1.9.6/vagrant_1.9.6_x86_64.deb && sudo dpkg -i vagrant_1.9.6_x86_64.deb
+  - wget -q https://releases.hashicorp.com/vagrant/1.9.7/vagrant_1.9.7_x86_64.deb && sudo dpkg -i vagrant_1.9.7_x86_64.deb
 ## ssh key for lxd_cli ?
   - ls ~/.ssh
   - ssh-keygen -t rsa -b 2048 -f ~/.ssh/id_rsa -P ""