diff --git a/README.md b/README.md
index 31a39ea..cb2cde9 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,8 @@ Requirements
 - libx11-xcb-dev
 - libxkbcommon >= 0.5.0
 - libxkbcommon-x11 >= 0.5.0
+- libxcb-image
+- libxcb-xrm
 
 Running i3lock
 -------------