diff --git a/scripts/requirements-build.txt b/scripts/requirements-build.txt
index 8ccb70ed0ef6..c711cf067536 100644
--- a/scripts/requirements-build.txt
+++ b/scripts/requirements-build.txt
@@ -9,6 +9,6 @@ intelhex
 pylint
 setuptools==75.2.0
 zcbor~=0.8.0
-nrf-regtool~=8.0.0
+nrf-regtool~=8.1.2
 windows-curses; sys_platform == 'win32'
 unidiff
diff --git a/scripts/requirements-fixed.txt b/scripts/requirements-fixed.txt
index 6d64c9746359..333c76b730a9 100644
--- a/scripts/requirements-fixed.txt
+++ b/scripts/requirements-fixed.txt
@@ -94,13 +94,13 @@ markupsafe==2.1.3 ; python_version >= "3.10" and python_version < "4.0"
 mccabe==0.7.0 ; python_version >= "3.10" and python_version < "4.0"
 milksnake==0.1.6 ; python_version >= "3.10" and python_version < "4.0"
 mock==5.1.0 ; python_version >= "3.10" and python_version < "4.0"
-more-itertools==10.2.0 ; python_version >= "3.10" and python_version < "4.0"
+more-itertools==10.2.0 ; python_version >= "3.10" and python_version < "4.0" and platform_machine == "x86_64"
 msgpack==1.0.5 ; python_version >= "3.10" and python_version < "4.0" and platform_system != "Windows"
 mypy-extensions==1.0.0 ; python_version >= "3.10" and python_version < "4.0"
 mypy==1.13.0 ; python_version >= "3.10" and python_version < "4.0"
 natsort==8.4.0 ; python_version >= "3.10" and python_version < "4.0"
 normality==2.5.0 ; python_version >= "3.10" and python_version < "4.0" and platform_machine == "x86_64"
-nrf-regtool==8.0.0 ; python_version >= "3.10" and python_version < "4.0"
+nrf-regtool==8.1.2 ; python_version >= "3.10" and python_version < "4.0"
 nrfcredstore==1.0.0 ; python_version >= "3.10" and python_version < "4.0"
 nrfprovision==0.9.0 ; python_version >= "3.10" and python_version < "4.0"
 numpy==2.1.3 ; python_version >= "3.10" and python_version < "4.0"