diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..24fc9453
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib/esp-adf"]
+	path = lib/esp-adf
+	url = https://github.com/espressif/esp-adf.git
diff --git a/lib/esp-adf b/lib/esp-adf
new file mode 160000
index 00000000..9ffbb5a1
--- /dev/null
+++ b/lib/esp-adf
@@ -0,0 +1 @@
+Subproject commit 9ffbb5a1b8be06484e23e67202607e6b0b0d3a8e