diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ can obtain this string from a tool like [audible-activator](https://github.com/i
 ## Requirements
 * perl version 5.22.0 or later
 * ffmpeg version 2.8.3 or later
+* libmp3lame (came from lame package on Arch, not sure where else this is stored)
 
 You will also require the following perl modules:
 * autodie