diff --git a/README.md b/README.md
index 6d44e2d50d..21b89ab0dc 100644
--- a/README.md
+++ b/README.md
@@ -299,15 +299,15 @@ compiling the libuv dependency. See joyent/libuv#1158.
 
 * Install [Xcode](https://developer.apple.com/) and [Homebrew](http://brew.sh)
   or [MacPorts](http://www.macports.org)
-* Install libtool, sha1sum, automake and cmake:
+* Install libtool, automake and cmake:
 
   Via MacPorts:
 
-      sudo port install md5sha1sum libtool automake cmake
+      sudo port install libtool automake cmake
       
   Via Homebrew:
 
-      brew install md5sha1sum libtool automake cmake
+      brew install libtool automake cmake
 
 If you run into wget certificate errors, you may be missing the root SSL
 certificates or have not set them up correctly: