diff --git a/README b/README
index c5774d9..7d7b86e 100644
--- a/README
+++ b/README
@@ -129,6 +129,12 @@ For other operating systems, if socat does not compile without errors, refer to
 the file PORTING.
 
 
+platform specifics - Debian (Ubuntu, ...)
+-----------------------------------------
+
+libssl-dev
+
+
 platform specifics - redhat
 ---------------------------