diff --git a/post-install.sh b/post-install.sh
index e3a3a6c..0d72d66 100644
--- a/post-install.sh
+++ b/post-install.sh
@@ -22,7 +22,7 @@ xbps-install -Sy libX11-devel libXft-devel libXinerama-devel imlib2-devel libexi
 #waterfox deps
 xbps-install -Sy gtk+3-devel dbus-glib-devel adwaita-icon-theme
 
-xbps-install -Sy fzf mpv cmus cmus-flac mupdf ffmpeg scrot trash-cli xwallpaper gnupg2 ghostscript
+xbps-install -Sy fzf mpv cmus cmus-flac mupdf ffmpeg scrot picom trash-cli xwallpaper gnupg2 ghostscript
 
 make install -C $SRCPATH/sde/
 make install -C $SRCPATH/waterfox/