diff --git a/Formula/swig.rb b/Formula/swig.rb
index 480a9ec47d..5820ab380d 100644
--- a/Formula/swig.rb
+++ b/Formula/swig.rb
@@ -15,8 +15,8 @@ class Swig < Formula
   head do
     url "https://github.com/swig/swig.git"
 
-    depends_on "automake" => :build
     depends_on "autoconf" => :build
+    depends_on "automake" => :build
   end
 
   depends_on "pcre"