diff --git a/Nagstamon/Config.py b/Nagstamon/Config.py
index 9adefce04..59ea68aad 100644
--- a/Nagstamon/Config.py
+++ b/Nagstamon/Config.py
@@ -131,7 +131,7 @@ class AppInfo(object):
         contains app information previously located in GUI.py
     """
     NAME = 'Nagstamon'
-    VERSION = '3.15-20240727'
+    VERSION = '3.15-20240729'
     WEBSITE = 'https://nagstamon.de'
     COPYRIGHT = '©2008-2024 Henri Wahl et al.'
     COMMENTS = 'Nagios status monitor for your desktop'
diff --git a/build/debian/changelog b/build/debian/changelog
index 0954d41d8..9a44c1c2b 100644
--- a/build/debian/changelog
+++ b/build/debian/changelog
@@ -1,7 +1,7 @@
-nagstamon (3.15-20240727) unstable; urgency=low
+nagstamon (3.15-20240729) unstable; urgency=low
   * New upstream
 
- -- Henri Wahl <henri@nagstamon.de> Sat, Jul 27 2024 08:00:00 +0200
+ -- Henri Wahl <henri@nagstamon.de> Mon, Jul 29 2024 08:00:00 +0200
 
 nagstamon (3.14.0) stable; urgency=low
   * New upstream
diff --git a/build/debian/control b/build/debian/control
index f00ef62ee..9ebadbda9 100644
--- a/build/debian/control
+++ b/build/debian/control
@@ -15,7 +15,7 @@ Architecture: all
 Depends: ${python3:Depends}, ${misc:Depends}, python3-pkg-resources, python3-bs4, python3-lxml,
  python3-pyqt5, python3-pyqt5.qtsvg, python3-pyqt5.qtmultimedia, libqt5multimedia5-plugins,
  python3-requests, python3-requests-kerberos, python3-psutil, python3-dbus.mainloop.pyqt5,
- python3-keyring, python3-ewmh
+ python3-keyring, python3-ewmh, python3-arrow
 Recommends: python3-secretstorage
 Description: Nagios status monitor which takes place in systray or on desktop
  Nagstamon is a Nagios status monitor which takes place in systray or 
diff --git a/build/redhat/nagstamon.spec b/build/redhat/nagstamon.spec
index fce111e0e..dd23d4c89 100644
--- a/build/redhat/nagstamon.spec
+++ b/build/redhat/nagstamon.spec
@@ -16,6 +16,7 @@ BuildRequires: python3-devel
 BuildRequires: python3-pyqt6-devel
 BuildRequires: desktop-file-utils
 Requires:      python3
+Requires:      python3-arrow
 Requires:      python3-beautifulsoup4
 Requires:      python3-cryptography
 Requires:      python3-dateutil