diff --git a/package/python-flask-babel/Config.in b/package/python-flask-babel/Config.in
index 272d9ef1c1..1248783e80 100644
--- a/package/python-flask-babel/Config.in
+++ b/package/python-flask-babel/Config.in
@@ -3,6 +3,7 @@ config BR2_PACKAGE_PYTHON_FLASK_BABEL
 	select BR2_PACKAGE_PYTHON_FLASK # runtime
 	select BR2_PACKAGE_PYTHON_BABEL # runtime
 	select BR2_PACKAGE_PYTHON_JINJA2 # runtime
+	select BR2_PACKAGE_PYTHON_PYTZ # runtime
 	help
 	  Flask-Babel is an extension to Flask that adds i18n and l10n
 	  support to any Flask application with the help of babel,
diff --git a/package/python-flask-babel/python-flask-babel.hash b/package/python-flask-babel/python-flask-babel.hash
index eae77ff51d..b946561308 100644
--- a/package/python-flask-babel/python-flask-babel.hash
+++ b/package/python-flask-babel/python-flask-babel.hash
@@ -1,6 +1,5 @@
-# From: https://pypi.org/project/flask-babel/#copy-hash-modal-02f7b566-78ef-46b7-be0e-da35593e2dc2
-md5  ad0a1b69044dde430ad9319d3a2f7b47  flask_babel-3.1.0.tar.gz
-sha256  be015772c5d7f046f3b99c508dcf618636eb93d21b713b356db79f3e79f69f39  flask_babel-3.1.0.tar.gz
-
-# License files
+# md5, sha256 from https://pypi.org/pypi/flask-babel/json
+md5  62116080b8d3a446e1f0f07cbaf74dc1  flask_babel-4.0.0.tar.gz
+sha256  dbeab4027a3f4a87678a11686496e98e1492eb793cbdd77ab50f4e9a2602a593  flask_babel-4.0.0.tar.gz
+# Locally computed sha256 checksums
 sha256  a526100a7047237360a394ba4f70ae801b50ff9b8c9b9e73e7795480a59f6b7e  LICENSE
diff --git a/package/python-flask-babel/python-flask-babel.mk b/package/python-flask-babel/python-flask-babel.mk
index 34c9559d1c..b3ecdf6cf6 100644
--- a/package/python-flask-babel/python-flask-babel.mk
+++ b/package/python-flask-babel/python-flask-babel.mk
@@ -4,9 +4,9 @@
 #
 ################################################################################
 
-PYTHON_FLASK_BABEL_VERSION = 3.1.0
+PYTHON_FLASK_BABEL_VERSION = 4.0.0
 PYTHON_FLASK_BABEL_SOURCE = flask_babel-$(PYTHON_FLASK_BABEL_VERSION).tar.gz
-PYTHON_FLASK_BABEL_SITE = https://files.pythonhosted.org/packages/35/83/f31a4ff688168f9c8a73d80ebfc785dcd7703474a0802b25a78d54edd07c
+PYTHON_FLASK_BABEL_SITE = https://files.pythonhosted.org/packages/58/1a/4c65e3b90bda699a637bfb7fb96818b0a9bbff7636ea91aade67f6020a31
 PYTHON_FLASK_BABEL_LICENSE = BSD-3-Clause
 PYTHON_FLASK_BABEL_SETUP_TYPE = setuptools
 PYTHON_FLASK_BABEL_LICENSE_FILES = LICENSE