diff --git a/packages.el b/packages.el
index eebd761..b9c72c1 100644
--- a/packages.el
+++ b/packages.el
@@ -28,3 +28,5 @@
 (package! org-capture-ref :recipe (:host github :repo "yantar92/org-capture-ref"))
 ;; Arduino development
 (package! platformio-mode)
+;; Light theme
+(package! os1-theme :recipe (:host github :repo "sashimacs/os1-theme"))