diff --git a/platform/ext/index.rst b/platform/ext/index.rst
index d1ce4ef..34969b3 100644
--- a/platform/ext/index.rst
+++ b/platform/ext/index.rst
@@ -45,6 +45,13 @@
 
     target/nordic_nrf/**
 
+.. toctree::
+    :maxdepth: 4
+    :caption: Nuvoton
+    :glob:
+
+    target/nuvoton/**
+
 --------------
 
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