(rb|py)env: update

rake/pkg/pyenv.rake

@@ -44,7 +44,7 @@ namespace :pyenv do
       sh_safe "eval \"$(#{PYENV_ROOT}/bin/pyenv virtualenv-init -)\""
     end
 
-    ['3.4.1', '2.7.8'].each do |version|
+    ['3.4.3', '2.7.9'].each do |version|
         unless pyenv_version_installed? version
             # Install global python + packages
             echo "Setting up default python (#{version})", 2

rake/pkg/rbenv.rake

@@ -67,7 +67,7 @@ namespace :rbenv do
     )
 
     # Install global ruby + gems
-    ruby_version = '2.1.3'
+    ruby_version = '2.1.6'
     unless rbenv_version_installed? ruby_version
       echo "Setting up default ruby (#{ruby_version})", 2
       sh_safe "rbenv install #{ruby_version}"