diff --git a/README.md b/README.md
index 2ecc961e8395bff108fdb62e2eaba33db2ad1155..ca517964368ae1286bec8aa741765226e9df1c20 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Installation
 
 Install prerequisites:
 
-    sudo apt-get install git ruby ruby-dev rsync openssh-client openssl rake
+    sudo apt-get install git ruby ruby-dev rsync openssh-client openssl rake gcc make zlib1g-dev
 
 NOTE: leap_cli requires ruby 1.9 or later.