diff --git a/Formula/neon.rb b/Formula/neon.rb
index 2ca3d44095a..b41794bb70b 100644
--- a/Formula/neon.rb
+++ b/Formula/neon.rb
@@ -5,6 +5,8 @@ class Neon <Formula
   md5 'ba1015b59c112d44d7797b62fe7bee51'
   homepage 'http://www.webdav.org/neon/'
 
+  depends_on 'pkg-config'
+
   def keg_only?
     :provided_by_osx
   end