diff --git a/doc/releases/release-notes-4.1.rst b/doc/releases/release-notes-4.1.rst
index 0e0dd658237..0e10a5002a8 100644
--- a/doc/releases/release-notes-4.1.rst
+++ b/doc/releases/release-notes-4.1.rst
@@ -43,6 +43,12 @@ Deprecated in this release
   the same functionality in their application code by reconnecting to the peer when the
   :c:member:`bt_conn_cb.disconnected` callback is invoked.
 
+* Deprecated TinyCrypt library. The reasons for this are (:github:`43712`):
+
+  * The upstream version of this library is no longer maintained.
+  * Reducing the number of cryptographic libraries in Zephyr to reduce maintenance overhead.
+  * The PSA Crypto API is the recommended cryptographic library for Zephyr.
+
 Architectures
 *************
 
diff --git a/modules/Kconfig.tinycrypt b/modules/Kconfig.tinycrypt
index 168e05ed799..b54ad764128 100644
--- a/modules/Kconfig.tinycrypt
+++ b/modules/Kconfig.tinycrypt
@@ -9,6 +9,7 @@ config ZEPHYR_TINYCRYPT_MODULE
 config TINYCRYPT
 	bool "TinyCrypt Support"
 	depends on ZEPHYR_TINYCRYPT_MODULE
+	select DEPRECATED
 	help
 	  This option enables the TinyCrypt cryptography library.