diff --git a/user-manifest.scm b/user-manifest.scm
index 28668fb..06b1155 100644
--- a/user-manifest.scm
+++ b/user-manifest.scm
@@ -31,6 +31,8 @@
 
    "icecat" "mpv"
 
+   "rhash"
+
    ;; TODO: kicad currently broken (wxwidgets does not build)
    ;; "kicad" "kicad-library" "kicad-symbols" "gtkwave"