diff --git a/TODO.org b/TODO.org
index f3e18ab..1175878 100644
--- a/TODO.org
+++ b/TODO.org
@@ -10,7 +10,6 @@ SPC p g to open projectile project straight to git
 https://karthinks.com/software/fifteen-ways-to-use-embark/
 ** Snippets
 *** Insert Org source block
-** g u to go to references
 * Kitty
 ** Fine tune theme for visiblity on mac/windows
 ** Nix-installed kitty on Linux
diff --git a/doom/config.el b/doom/config.el
index bdc85cc..fd80f90 100644
--- a/doom/config.el
+++ b/doom/config.el
@@ -121,3 +121,7 @@
   (define-key company-active-map (kbd "<return>") nil)
   (define-key company-active-map (kbd "RET") nil)
   (define-key company-active-map (kbd "C-SPC") #'company-complete-selection))
+
+;; "g u" in normal mode finds references, using LSP if available
+(map! :n "g u" #'xref-find-references)
+(map! :mode lsp-mode :n "g u" #'lsp-ui-peek-find-references)
diff --git a/doom/init.el b/doom/init.el
index f132d5e..c07f4e9 100644
--- a/doom/init.el
+++ b/doom/init.el
@@ -80,7 +80,7 @@
        (eval +overlay)     ; run code, run (also, repls)
        ;;gist              ; interacting with github gists
        lookup              ; navigate your code and its documentation
-       lsp
+       (lsp +peek)
        ;;macos             ; MacOS-specific commands
        magit             ; a git porcelain for Emacs
        ;;make              ; run make tasks from Emacs