diff --git a/init.el b/init.el
index 03eac64..26c0d34 100644
--- a/init.el
+++ b/init.el
@@ -615,6 +615,11 @@
 
 (use-package nix-mode)
 
+(use-package arduino-mode)
+
+(use-package arduino-cli-mode
+  :hook arduino-mode)
+
 (use-package markdown-mode
   :mode ("README\\.md\\'" . gfm-mode)
   :custom