diff --git a/doc/releases/migration-guide-4.0.rst b/doc/releases/migration-guide-4.0.rst
index 65e410abdbd..7473f7f0eb2 100644
--- a/doc/releases/migration-guide-4.0.rst
+++ b/doc/releases/migration-guide-4.0.rst
@@ -103,6 +103,10 @@ SDHC
 Sensors
 =======
 
+* The existing driver for the Microchip MCP9808 temperature sensor transformed and renamed
+  to support all JEDEC JC 42.4 compatible temperature sensors. It now uses the
+  :dtcompatible:`jedec,jc-42.4-temp` compatible string instead to the ``microchip,mcp9808`` string.
+
 Serial
 ======
 
diff --git a/doc/releases/release-notes-4.0.rst b/doc/releases/release-notes-4.0.rst
index 1bc7bac1f7d..8ac2713e701 100644
--- a/doc/releases/release-notes-4.0.rst
+++ b/doc/releases/release-notes-4.0.rst
@@ -193,6 +193,11 @@ Drivers and Sensors
 
 * Sensors
 
+  * The existing driver for the Microchip MCP9808 temperature sensor transformed and renamed
+    to support all JEDEC JC 42.4 compatible temperature sensors. It now uses the
+    :dtcompatible:`jedec,jc-42.4-temp` compatible string instead to the ``microchip,mcp9808``
+    string.
+
 * Serial
 
   * LiteX: Renamed the ``compatible`` from ``litex,uart0`` to :dtcompatible:`litex,uart`.