diff --git a/backend/debian/changelog b/backend/debian/changelog
index e568a45..69e2186 100644
--- a/backend/debian/changelog
+++ b/backend/debian/changelog
@@ -1,3 +1,13 @@
+smartmeter-datacollector-configurator (1.1.0-1) unstable; urgency=low
+
+  * add L+G E360 meter
+  * add Kamstrup HAN meter
+  * update frontend & backend dependencies
+  * add support for Python 3.10, remove Python 3.7 support
+  * upgrade deb build to bullseye (RPi & Debian) (no buster build anymore)
+
+ -- Supercomputing Systems AG <info@scs.ch>  Fri, 19 May 2023 10:09:36 +0200
+
 smartmeter-datacollector-configurator (1.0.2-1) unstable; urgency=low
 
   * update node version to 16 (LTS)
diff --git a/backend/debian/postinst b/backend/debian/postinst
index 94c8c43..0504928 100644
--- a/backend/debian/postinst
+++ b/backend/debian/postinst
@@ -8,24 +8,16 @@ set -e
 
 echo -n "Installing dependencies using pip.."
 # write a pip requirements.txt for automatic dependency installation
-echo "#
-# These requirements were autogenerated by pipenv
-# To regenerate from the project's Pipfile, run:
-#
-#    pipenv lock --requirements
-#
-
--i https://pypi.org/simple
-anyio==3.5.0; python_full_version >= '3.6.2'
-asgiref==3.5.0; python_version >= '3.7'
-click==8.1.1; python_version >= '3.7'
-h11==0.13.0; python_version >= '3.6'
-idna==3.3; python_version >= '3.5'
-pydantic==1.8.2
-sniffio==1.2.0; python_version >= '3.5'
-starlette==0.16.0
-typing-extensions==4.1.1; python_version >= '3.6'
-uvicorn==0.15.0" > /tmp/requirements.txt
+echo "-i https://pypi.org/simple
+anyio==3.6.2 ; python_full_version >= '3.6.2'
+click==8.1.3 ; python_version >= '3.7'
+h11==0.14.0 ; python_version >= '3.7'
+idna==3.4 ; python_version >= '3.5'
+pydantic==1.10.7
+sniffio==1.3.0 ; python_version >= '3.7'
+starlette==0.27.0
+typing-extensions==4.5.0 ; python_version >= '3.7'
+uvicorn==0.22.0" > /tmp/requirements.txt
 # install all required dependencies
 python3 -m pip install -r /tmp/requirements.txt > /dev/null 2>&1
 rm /tmp/requirements.txt
diff --git a/backend/smartmeter_datacollector_configurator/__version__.py b/backend/smartmeter_datacollector_configurator/__version__.py
index 7863915..6849410 100644
--- a/backend/smartmeter_datacollector_configurator/__version__.py
+++ b/backend/smartmeter_datacollector_configurator/__version__.py
@@ -1 +1 @@
-__version__ = "1.0.2"
+__version__ = "1.1.0"