diff --git a/brian_dashboard_manager/templating/templates/shared/panel_target.json.j2 b/brian_dashboard_manager/templating/templates/shared/panel_target.json.j2
index c9bd6c35fb9c7d942698888bd2be4e545a89e2bd..7247e1723a84bbca4e9ad1de260f6101d3ef6958 100644
--- a/brian_dashboard_manager/templating/templates/shared/panel_target.json.j2
+++ b/brian_dashboard_manager/templating/templates/shared/panel_target.json.j2
@@ -3,7 +3,7 @@
     "groupBy": [
         {% if not percentile %}
         {
-            "params": ["$__interval"],
+            "params": ["5m"],
             "type": "time"
         },
         {
diff --git a/changelog.md b/changelog.md
index c38f580816ea8b29fc8257817d7f57b708b654de..bef8515bc35a2e0e63769b27e8adb338e04af14d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,9 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.28] - 2021-11-02
+- changed group by '5m' window
+
 ## [0.27] - 2021-11-01
 - POL1-463: Added a menu item to a dashboard list for EUMETSAT multicast
 - changed group by window from '5m' to '$__interval', globally
diff --git a/setup.py b/setup.py
index 01e056d338f302c14f3bf4438240bdfad891488c..8730d55a7f37a70cf5b3f69064638d8553bd2e5b 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='brian-dashboard-manager',
-    version="0.27",
+    version="0.28",
     author='GEANT',
     author_email='swd@geant.org',
     description='',