diff --git a/README.md b/README.md
index 002f442..5605ac1 100644
--- a/README.md
+++ b/README.md
@@ -32,10 +32,14 @@ The files in this repro try to handle these steps for you.
 * make
 * openmsx
 * sdcc
-* hex2bin
+* hex2bin-2.5 (see [https://hex2bin.sourceforge.net/](https://hex2bin.sourceforge.net/))
 * wget
 * unix2dos
 
+For debian use;
+
+	apt-get install make openmsx wget dos2unix sdcc
+
 ## Usage
 
 Include the `lib/make/msxbuild.mk` file from your Makefile.