diff --git a/.chezmoidata/packages.yaml b/.chezmoidata/packages.yaml
index 02c2930..0830a1f 100644
--- a/.chezmoidata/packages.yaml
+++ b/.chezmoidata/packages.yaml
@@ -130,6 +130,11 @@ packages:
         - voxtype-bin
         - xdg-terminal-exec
         - hyprland-preview-share-picker
+      # [cachyos] repo; installed only when that repo is configured. Umbriel
+      # has no usable AUR package (`umbriel` is a placeholder, `umbriel-git`
+      # conflicts with the repo build), so elsewhere it is installed by hand.
+      cachyos:
+        - umbriel
   darwin:
     brew:
       - fish
diff --git a/.chezmoiignore.tmpl b/.chezmoiignore.tmpl
index f7ffcaa..abe5597 100644
--- a/.chezmoiignore.tmpl
+++ b/.chezmoiignore.tmpl
@@ -37,6 +37,8 @@ dist
 .config/niri/**
 .config/hypr
 .config/hypr/**
+.config/umbriel
+.config/umbriel/**
 .config/uwsm
 .config/uwsm/**
 .config/noctalia
@@ -52,11 +54,15 @@ dist
 .config/systemd/**
 .local/bin/kitty-day-save
 .local/bin/niri-launch
+.local/bin/umbriel-launch
 .config/fish/auto-Niri.fish
 .local/bin/cp-appid
 .local/bin/projects-sync
 {{ end }}
 
+# Noctalia's umbriel theme template output, rewritten on every theme change
+.config/umbriel/noctalia.toml
+
 # Runtime plugin state with embedded tokens — never managed
 .config/noctalia/plugins
 .config/noctalia/plugins/**