diff --git a/README.md b/README.md
index 86b6956..8d5d654 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Ubuntu 12.04 LTS
 
 ```sh
 apt-get update
-apt-get install libssl-dev build-essential zlib1g-dev git
+apt-get install libssl-dev build-essential zlib1g-dev libnsl-dev git
 git clone https://github.com/eeertekin/bbcp.git
 cd bbcp/src
 make