diff --git a/README.md b/README.md
index 5172983..f9019e4 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ To build for e.g. linux:
 
     Required:
     * libncursesw5-dev
+    * libjansson-dev
 
 To build for e.g. windows: