diff --git a/scripts/requirements-extras.txt b/scripts/requirements-extras.txt
index 6ba351c3b8..bea2751f7e 100644
--- a/scripts/requirements-extras.txt
+++ b/scripts/requirements-extras.txt
@@ -9,6 +9,9 @@ gitlint
 # helper for developers
 junit2html
 
+# helper for developers - code formatter
+clang-format>=1.12x
+
 # Script used to build firmware images for NXP LPC MCUs.
 lpc_checksum