diff --git a/haskell-snippets.el b/haskell-snippets.el
index 945b462..39b431e 100644
--- a/haskell-snippets.el
+++ b/haskell-snippets.el
@@ -6,7 +6,7 @@
 ;; URL: https://github.com/haskell/haskell-snippets
 ;; Keywords: snippets, haskell
 ;; Version: 0.1.0
-;; Package-Requires: ((yasnippet "0.8.0"))
+;; Package-Requires: ((cl-lib "0.5") (yasnippet "0.8.0"))
 
 ;; Permission is hereby granted, free of charge, to any person obtaining
 ;; a copy of this software and associated documentation files (the
@@ -68,6 +68,9 @@
 
 ;;; Code:
 
+(require 'cl-lib)
+(require 'yasnippet)
+
 (setq haskell-snippets-dir
       (file-name-directory load-file-name))
 
@@ -81,7 +84,6 @@
 (eval-after-load 'yasnippet
   '(haskell-snippets-initialize))
 
-(require 'yasnippet)
 (provide 'haskell-snippets)
 
 ;;; haskell-snippets.el ends here
diff --git a/snippets/haskell-mode/import.qualified b/snippets/haskell-mode/import.qualified
index a8f728f..5165158 100644
--- a/snippets/haskell-mode/import.qualified
+++ b/snippets/haskell-mode/import.qualified
@@ -6,4 +6,4 @@
 # --
 import qualified ${1:Module} as ${2:${1:$(let ((name (car (last (split-string yas-text "\\\.")))))
                                               (if (= 0 (length name)) ""
-                                                  (subseq name 0 1)))}}$0
\ No newline at end of file
+                                                  (cl-subseq name 0 1)))}}$0
\ No newline at end of file
diff --git a/snippets/haskell-mode/lang-pragma b/snippets/haskell-mode/lang-pragma
index 58eed27..a4965e7 100644
--- a/snippets/haskell-mode/lang-pragma
+++ b/snippets/haskell-mode/lang-pragma
@@ -5,5 +5,5 @@
 # contributor: Luke Hoersten <luke@hoersten.org>
 # --
 {-# LANGUAGE `(when (boundp 'haskell-ghc-supported-extensions)
-                (some #'(lambda (fn) (funcall fn "Extension: " haskell-ghc-supported-extensions))
+                (cl-some #'(lambda (fn) (funcall fn "Extension: " haskell-ghc-supported-extensions))
                       yas-prompt-functions))` #-}
\ No newline at end of file
diff --git a/snippets/haskell-mode/module b/snippets/haskell-mode/module
index 2192745..12bdc90 100644
--- a/snippets/haskell-mode/module
+++ b/snippets/haskell-mode/module
@@ -8,7 +8,7 @@
 module ${1:`(if (not buffer-file-name) "Module"
                 (let ((name (file-name-sans-extension (buffer-file-name)))
                       (case-fold-search nil))
-                     (if (search "src/" name)
+                     (if (cl-search "src/" name)
                          (replace-regexp-in-string "/" "."
                            (replace-regexp-in-string "^\/[^A-Z]*" ""
                              (car (last (split-string name "src")))))
diff --git a/snippets/haskell-mode/module.exports b/snippets/haskell-mode/module.exports
index affd0db..7f636c2 100644
--- a/snippets/haskell-mode/module.exports
+++ b/snippets/haskell-mode/module.exports
@@ -8,7 +8,7 @@
 module ${1:`(if (not buffer-file-name) "Module"
                 (let ((name (file-name-sans-extension (buffer-file-name)))
                       (case-fold-search nil))
-                     (if (search "src/" name)
+                     (if (cl-search "src/" name)
                          (replace-regexp-in-string "/" "."
                            (replace-regexp-in-string "^\/[^A-Z]*" ""
                              (car (last (split-string name "src")))))
diff --git a/snippets/haskell-mode/opt-pragma b/snippets/haskell-mode/opt-pragma
index 7aa7aba..77fbedd 100644
--- a/snippets/haskell-mode/opt-pragma
+++ b/snippets/haskell-mode/opt-pragma
@@ -5,5 +5,5 @@
 # contributor: Luke Hoersten <luke@hoersten.org>
 # --
 {-# OPTIONS_GHC `(when (boundp 'haskell-ghc-supported-options)
-                   (some #'(lambda (fn) (funcall fn "GHC Option: " haskell-ghc-supported-options))
+                   (cl-some #'(lambda (fn) (funcall fn "GHC Option: " haskell-ghc-supported-options))
                          yas-prompt-functions))` #-}
\ No newline at end of file