diff --git a/README.md b/README.md
index f90d534..1af21a8 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,9 @@
 ## requirements
 
    *  node 6.x.x or newer
+   *  bash 3 or newer
+
+_zsh support coming soon..._
 
 ## installation and setup