diff --git a/README b/README
index 14e72e7..04219f8 100644
--- a/README
+++ b/README
@@ -9,8 +9,8 @@ To build, you'll need
 
 For Ubuntu/Debian
 
-    sudo apt-get install build-essential pax
-    sudo apt-get build-dep bash gawk mawk mksh
+    sudo apt-get install build-essential pax ncompress
+    sudo apt-get build-dep bash gawk mawk ksh mksh
 
 Should get most, if not all, build requirements down.