diff --git a/NOTICE b/NOTICE
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--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,9 @@
+Apache Mynewt NimBLE
+Copyright 2015-2021 The Apache Software Foundation
+Modifications Copyright 2017-2023 Espressif Systems (Shanghai) CO., LTD.
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+Portions of this software were developed at
+Runtime Inc, copyright 2015.
\ No newline at end of file
diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1 +1 @@
-
+This software includes portions of code derived from mynewt-nimble project. See [NOTICE](NOTICE) file for details.
diff --git a/libble_app.a b/libble_app.a
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