diff --git a/doc/releases/release-notes-4.0.rst b/doc/releases/release-notes-4.0.rst
index 1e1a146efcc..c9e452185d9 100644
--- a/doc/releases/release-notes-4.0.rst
+++ b/doc/releases/release-notes-4.0.rst
@@ -107,6 +107,8 @@ Boards & SoC Support
 Build system and Infrastructure
 *******************************
 
+* Added support for .elf files to the west flash command for jlink, pyocd and linkserver runners.
+
 Documentation
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