diff --git a/data/categories/structure b/data/categories/structure
index a9fd91f..25934cb 100644
--- a/data/categories/structure
+++ b/data/categories/structure
@@ -1,5 +1,6 @@
 All Is Well|Tools
 AndroidBuddy|Tools
+Arduino|Editors
 Back to Chromium v78|Internet
 BalenaEtcher|Tools
 Box86|Tools