diff --git a/README.md b/README.md
index 2c000c3..0c6b4f5 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,11 @@ Control systemd services through Web or REST API
 
 ## Installation
 
+### Prerequisites
+
+If you are a Ubuntu/Debian user you need to install `libsystemd-dev`, for
+CentOS users the package is `systemd-devel`.
+
 ### From source
 
 ```sh