diff --git a/Maintenance/infrastructure/cgal.geometryfactory.com/bin/cgal_release.py b/Maintenance/infrastructure/cgal.geometryfactory.com/bin/cgal_release.py
new file mode 100644
index 00000000000..d7656664faa
--- /dev/null
+++ b/Maintenance/infrastructure/cgal.geometryfactory.com/bin/cgal_release.py
@@ -0,0 +1,51 @@
+'''Python module to create and publish CGAL releases from a branch'''
+
+import os
+
+class Release:
+    '''class to create a CGAL release from a branch
+       optionally, the release can be internal
+    '''
+
+    def __init__(self, branch, internal=False) :
+        self.branch = branch
+        self.internal = internal
+        self.cwd = f'$HOME/CGAL/create_internal_release-{self.branch}-branch'
+        self.repo = f'$HOME/CGAL/branches/CGAL-{self.branch}-branch.git'
+        self.extra_options = ' --public'
+
+    def command(self):
+        '''return the command to create and publish the release'''
+        return f"PATH=/home/lrineau/bin-cmake3:/bin:/usr/bin:/home/lrineau/bin; cd {self.cwd} && /usr/bin/time scl enable rh-git29 -- $HOME/bin/create_release {self.repo}{self.extra_options} --do-it"
+
+    def __str__(self) :
+        msg  = f"{'internal ' if self.internal else ''}release from {self.branch}\n" \
+               f"cwd: {self.cwd}\nrepo: {self.repo}\n" \
+               f"command:\n{self.command()}"
+        return msg
+
+    def __call__(self) :
+        if os.system(self.command()) != 0 :
+            raise RuntimeError(f"Error while creating {'internal ' if self.internal else ''}release from {self.branch}")
+
+    INTERNAL = True
+
+class InternalRelease(Release) :
+    '''class to create an internal CGAL release from a branch'''
+    def __init__(self, branch) :
+        super().__init__(branch, Release.INTERNAL)
+        self.extra_options = ' --integration'
+
+integration = InternalRelease("integration")
+integration.repo = '$HOME/CGAL/branches/integration.git'
+integration.cwd = '$HOME/CGAL/create_internal_release'
+master = Release("master")
+master.repo = '$HOME/CGAL/branches/master.git'
+master.cwd = '$HOME/CGAL/create_internal_release'
+
+def release(branch) :
+    '''Convenience function to create a release from a branch'''
+    return Release(branch)
+
+if __name__ == '__main__':
+    print("This file is a Python module. Use create_internal_release_of_the_day.py instead.")
diff --git a/Maintenance/infrastructure/cgal.geometryfactory.com/bin/create_internal_release_of_the_day.py b/Maintenance/infrastructure/cgal.geometryfactory.com/bin/create_internal_release_of_the_day.py
new file mode 100644
index 00000000000..d27168dcc08
--- /dev/null
+++ b/Maintenance/infrastructure/cgal.geometryfactory.com/bin/create_internal_release_of_the_day.py
@@ -0,0 +1,39 @@
+#! /bin/python3
+
+'''This script is called by a cron job every day.
+   It creates and publish a release tarball.
+'''
+
+import sys
+import os
+import datetime
+import locale
+from pathlib import Path
+sys.path.append(Path(__file__))
+from cgal_release import release, integration, master
+
+# Define a dictionary that maps day of the week to an action
+actions = {
+    "Monday": integration,
+    "Tuesday": integration,
+    "Wednesday": integration,
+    "Thursday": integration,
+    "Friday": release("5.5"),
+    "Saturday": release("5.4"),
+    "Sunday": master
+}
+
+if __name__ == '__main__':
+    # Get the current day of the week, or get it from the command line
+    locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
+    try:
+        DAY_OF_THE_WEEK = sys.argv[1]
+    except IndexError:
+        DAY_OF_THE_WEEK = datetime.datetime.now().strftime("%A")
+
+    # Look up the action for the current day of the week in the dictionary
+    create_release = actions[DAY_OF_THE_WEEK]
+
+    # Then create the release tarball
+    if os.system(create_release.command() + " --dont-do-it") != 0 :
+        raise RuntimeError(f"ERROR while creating release tarball")