diff --git a/docker-files/alpine.Dockerfile b/docker-files/alpine.Dockerfile
index 8d278a7db..592595dfc 100644
--- a/docker-files/alpine.Dockerfile
+++ b/docker-files/alpine.Dockerfile
@@ -11,7 +11,7 @@
 # Be aware that if you change the Alpine version, you may have to change the Python version.
 
 ARG IMAGE_VERSION=3.21
-ARG PYTHON_VERSION=3.13
+ARG PYTHON_VERSION=3.12
 
 ##############################################################################
 # Base layer to be used for building dependencies and the release images
diff --git a/glances/__init__.py b/glances/__init__.py
index 2f5002d3c..06811d40d 100644
--- a/glances/__init__.py
+++ b/glances/__init__.py
@@ -19,7 +19,7 @@
 # Global name
 # Version should start and end with a numerical char
 # See https://packaging.python.org/specifications/core-metadata/#version
-__version__ = "4.3.0"
+__version__ = "4.3.1_dev01"
 __apiversion__ = '4'
 __author__ = 'Nicolas Hennion <nicolas@nicolargo.com>'
 __license__ = 'LGPLv3'