diff --git a/README.md b/README.md
index 83d7116..bf41548 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,7 @@ The following lines can be used as swappy's default:
 Install dependencies:
 
 - meson
+- ninja
 - wayland
 - cairo
 - pango