diff --git a/README b/README
index 9e0e2f1..93af074 100644
--- a/README
+++ b/README
@@ -50,7 +50,8 @@ Notable features:
 Building
 --------
 Build dependencies: CMake, pkg-config, help2man, awk, sh, liberty (included)
-Runtime dependencies: openssl, curses (degesch), readline or libedit (degesch)
+Runtime dependencies: openssl, curses (degesch),
+                      readline or libedit >= 2013-07-12 (degesch)
 
  $ git clone https://github.com/pjanouch/uirc3.git
  $ git submodule init