diff --git a/scripts/requirements-build.txt b/scripts/requirements-build.txt
index b0a08baf1530..8f19e6771bef 100644
--- a/scripts/requirements-build.txt
+++ b/scripts/requirements-build.txt
@@ -6,4 +6,4 @@ imagesize>=1.2.0
 intelhex
 pylint
 zcbor~=0.8.0
-nrf-regtool~=5.4.0
+nrf-regtool~=5.5.1