diff --git a/Library/Formula/knock.rb b/Library/Formula/knock.rb
index 1484510521fb..e258806b46e1 100644
--- a/Library/Formula/knock.rb
+++ b/Library/Formula/knock.rb
@@ -2,14 +2,13 @@
 
 class Knock < Formula
   homepage 'http://www.zeroflux.org/projects/knock'
-  url 'http://www.zeroflux.org/proj/knock/files/knock-0.5.tar.gz'
-  sha1 '26f3b2f2d698bc6978390ef6e93c628361605059'
+  url 'http://www.zeroflux.org/proj/knock/files/knock-0.6.tar.gz'
+  sha1 '38bfee90ba3af780b3f8dc1179f0c52d47b60d2c'
 
   def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking",
-                          "--prefix=#{prefix}"
-    system "make knock man"
+    system "./configure", "--disable-dependency-tracking", "--prefix=#{prefix}"
+    system "make knock"
     bin.install "knock"
-    man1.install Dir["doc/*.1"]
+    man1.install "doc/knock.1"
   end
 end