diff --git a/zsh/lib/updates.zsh b/zsh/lib/updates.zsh
index 4021a4f..c76d11a 100644
--- a/zsh/lib/updates.zsh
+++ b/zsh/lib/updates.zsh
@@ -10,7 +10,13 @@ update_dotfiles() {
         $TO git -C "$repo" fetch --quiet </dev/null 2>/dev/null || return
     git -C "$repo" rev-parse --abbrev-ref '@{u}' >/dev/null 2>&1 || return
     git -C "$repo" merge-base --is-ancestor '@{u}' HEAD 2>/dev/null && return
-    git -C "$repo" merge --ff-only --quiet '@{u}' 2>/dev/null && return
+    if git -C "$repo" merge --ff-only --quiet '@{u}' 2>/dev/null; then
+        local notice="⬆ dotfiles updated — run: exec zsh"
+        mkdir -p "$cache_dir" || return
+        print -r -- "$notice" >| "$notice_tmp" || return
+        mv -f "$notice_tmp" "$notice_file"
+        return
+    fi
     local notice="⚠ dotfiles: $(git -C "$repo" symbolic-ref --short HEAD) can't fast-forward to @{u} — run: git -C ~/dotfiles pull"
     mkdir -p "$cache_dir" || return
     print -r -- "$notice" >| "$notice_tmp" || return