diff --git a/.ruby-version b/.ruby-version
index 35d16fb1..57cf282e 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.7
+2.6.5
diff --git a/Vagrantfile b/Vagrantfile
index b1df3451..c5c4034e 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -53,7 +53,9 @@ Vagrant.configure(2) do |config|
       gem install bundler
       rbenv rehash
     fi
-    cd /vagrant/sdr && bundle install
+    cd /vagrant/sdr
+    gem update bundler
+    bundle install
   SCRIPT
 
   config.vm.provision :shell, inline: $apt_script