diff --git a/README.md b/README.md
index fd66ba5..289e882 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # libpEpTransport
 
-interfacing between transports written in different programming languages
\ No newline at end of file
+Interfacing between transports written in different programming languages
+
+## build dependencies
+
+- YML 2.7.1
+