diff --git a/dmenubar/README.md b/dmenubar/README.md
index 92ab8a7..6702bdf 100644
--- a/dmenubar/README.md
+++ b/dmenubar/README.md
@@ -39,6 +39,12 @@ mod1 + shift + i
 
 In order to build dmenu you need the Xlib header files.
 
+On Alpine Linux:
+
+```
+apk add libx11-dev libxinerama-dev libxft-dev
+```
+
 ## Installation
 
 Edit config.mk to match your local setup (dmenu is installed into