Gemfile in chef-dk-2.3.3 vs Gemfile in chef-dk-2.3.4

@@ -55,9 +55,11 @@
   gem "kitchen-inspec"
   gem "kitchen-vagrant"
   gem "knife-windows"
   gem "knife-opc", ">= 0.3.2"
   gem "ohai", ">= 13.1.0"
+  # net-ssh 4.2.0 explodes the world. FIXME
+  gem "net-ssh", "= 4.1.0"
   gem "test-kitchen"
   gem "listen"
   gem "dco"
 
   # For Delivery build node