diff --git a/debian/changelog b/debian/changelog
index edb78cb..c1514b5 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,10 @@
-smartmeter-datacollector (0.6.0-1) unstable; urgency=low
+smartmeter-datacollector (0.6.1-1) unstable; urgency=low
+
+  * bugfix for clearing the HDLC buffer if it gets too large
+
+ -- Supercomputing Systems AG <info@scs.ch>  Mon, 13 Sep 2021 11:15:19 +0200
+
+ smartmeter-datacollector (0.6.0-1) unstable; urgency=low
 
   * improved error handling and unit tests
 
diff --git a/debian/postinst b/debian/postinst
index 8fe98a4..046237a 100644
--- a/debian/postinst
+++ b/debian/postinst
@@ -52,7 +52,7 @@ echo "#
 -i https://pypi.org/simple
 aioserial==1.3.0
 asyncio-mqtt==0.10.0
-gurux-dlms==1.0.104
+gurux-dlms==1.0.107
 paho-mqtt==1.5.1
 pyserial==3.5" > /tmp/requirements.txt
 # install all required dependencies
diff --git a/smartmeter_datacollector/__version__.py b/smartmeter_datacollector/__version__.py
index 543a34b..840fc39 100644
--- a/smartmeter_datacollector/__version__.py
+++ b/smartmeter_datacollector/__version__.py
@@ -5,4 +5,4 @@
 # SPDX-License-Identifier: GPL-2.0-only
 # See LICENSES/README.md for more information.
 #
-__version__ = "0.6.0"
+__version__ = "0.6.1"