diff --git a/behaviour.el b/behaviour.el
index 7d2a7b3..ea81c3a 100644
--- a/behaviour.el
+++ b/behaviour.el
@@ -43,6 +43,9 @@
 
 ;; Turn off sounds
 (setq ring-bell-function 'ignore)
+
+;; Enable y/n answers to questions
+(fset 'yes-or-no-p 'y-or-n-p)
 ;;;;;;;;;;;;;;;;;;;;;;;; code behaviour ;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 ; Add ruler at 80, do not wrap lines (can be overwritten later)
diff --git a/emacs b/emacs
index d0390e3..a211a2c 100644
--- a/emacs
+++ b/emacs
@@ -25,7 +25,7 @@
  '(hl-paren-colors (quote ("#ecf0f1" "#ecf0f1" "#c0392b")))
  '(package-selected-packages
    (quote
-    (flycheck-rust racer column-enforce-mode column-marker web-mode helm-themes less-css-mode jade-mode zenburn-theme monokai-theme smart-mode-line-powerline-theme smart-mode-line mode-icons airline-themes atom-one-dark-theme neotree ant rainbow-delimiters rust-mode scala-mode haskell-mode yasnippet yaml-mode ujelly-theme rvm ruby-end rinari noctilux-theme markdown-mode jira indent-guide helm-projectile helm-ag haml-mode flycheck flatui-theme exec-path-from-shell evil-terminal-cursor-changer evil-nerd-commenter evil-magit evil-leader dumb-jump dockerfile-mode diff-hl base16-theme avk-emacs-themes alchemist aggressive-indent ag)))
+    (groovy-mode flycheck-rust racer column-enforce-mode column-marker web-mode helm-themes less-css-mode jade-mode zenburn-theme monokai-theme smart-mode-line-powerline-theme smart-mode-line mode-icons airline-themes atom-one-dark-theme neotree ant rainbow-delimiters rust-mode scala-mode haskell-mode yasnippet yaml-mode ujelly-theme rvm ruby-end rinari noctilux-theme markdown-mode jira indent-guide helm-projectile helm-ag haml-mode flycheck flatui-theme exec-path-from-shell evil-terminal-cursor-changer evil-nerd-commenter evil-magit evil-leader dumb-jump dockerfile-mode diff-hl base16-theme avk-emacs-themes alchemist aggressive-indent ag)))
  '(safe-local-variable-values (quote ((encoding . utf-8))))
  '(sml/active-background-color "#34495e")
  '(sml/active-foreground-color "#ecf0f1")
diff --git a/packages.el b/packages.el
index 9b675eb..14d02ea 100644
--- a/packages.el
+++ b/packages.el
@@ -189,6 +189,11 @@
   (package-refresh-contents)
   (package-install 'dockerfile-mode))
 
+;; Jenkinsfile
+(unless (package-installed-p 'groovy-mode)
+  (package-refresh-contents)
+  (package-install 'groovy-mode))
+
 ;; Haskell
 (unless (package-installed-p 'haskell-mode)
   (package-refresh-contents)