diff --git a/ChangeLog b/ChangeLog
index 70f920e34..f3927e19e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-nagstamon (3.6) unstable; urgency=low
+nagstamon (3.6.0) unstable; urgency=low
   * New upstream
    - added Prometheus support
    - added SensuGo support
diff --git a/Nagstamon/Config.py b/Nagstamon/Config.py
index 0558ef2cf..95f51658e 100644
--- a/Nagstamon/Config.py
+++ b/Nagstamon/Config.py
@@ -124,7 +124,7 @@ class AppInfo(object):
         contains app information previously located in GUI.py
     """
     NAME = 'Nagstamon'
-    VERSION = '3.6'
+    VERSION = '3.6.0'
     WEBSITE = 'https://nagstamon.de'
     COPYRIGHT = '©2008-2021 Henri Wahl et al.'
     COMMENTS = 'Nagios status monitor for your desktop'
diff --git a/build/debian/changelog b/build/debian/changelog
index 19deab1ac..8b609f491 100644
--- a/build/debian/changelog
+++ b/build/debian/changelog
@@ -1,4 +1,4 @@
-nagstamon (3.6) stable; urgency=low
+nagstamon (3.6.0) stable; urgency=low
   * New upstream
    - added Prometheus support
    - added SensuGo support