diff --git a/README.md b/README.md
index 7820c5ff..28063355 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,9 @@ Note: For your convenience, we distribute bitcoind binaries for x86_64 Linux and
 
 ## Prerequisites
 
-- Node.js v0.12 or v4.2
+- GNU/Linux x86_32/x86_64, or OSX 64bit *(for bitcoind distributed binaries)*
+- Node.js v0.10, v0.12 or v4
+- ZeroMQ *(libzmq3-dev for Ubuntu/Debian or zeromq on OSX)*
 - ~200GB of disk storage
 - ~4GB of RAM