diff --git a/README.md b/README.md
index 9ea92940..febe01b3 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ available.
 
 #### Development source installation
 
+[Ninja](http://mesonbuild.com/) 1.5 and [Meson](http://mesonbuild.com/) 0.49
+
 ```
 git clone https://github.com/irssi/irssi
 cd irssi