diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 6d7accf180a0a56e4514ceebeb6cc3686100846b..021d4604eca02a6695366038b197ec9a72ae7c36 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,4 +1,4 @@
-Changes in Release 2.x.x
+Changes in Release 2.2.0
 --------------------------------------------------------------------------------
 
  * Introduced CreateMeanlDDTHA function to evaluate the consistency of a
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8809e117683a52d1825ff124dad9b0991d8655b4..e64a83ad54034fb980330ad8963416b443748bca 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ cmake_policy(SET CMP0060 NEW)
 project(OpenStructure CXX C)
 set (CMAKE_EXPORT_COMPILE_COMMANDS 1)
 set (OST_VERSION_MAJOR 2)
-set (OST_VERSION_MINOR 1)
+set (OST_VERSION_MINOR 2)
 set (OST_VERSION_PATCH 0)
 set (OST_VERSION_STRING ${OST_VERSION_MAJOR}.${OST_VERSION_MINOR}.${OST_VERSION_PATCH} )
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake_support)
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7691651ae789cb6ae86da198f7ca719a624d8e74..a2a6abeaebb686f13cf0ac63e3a76fc2a3ce3085 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:18.04
 
 # ARGUMENTS
 ###########
-ARG OPENSTRUCTURE_VERSION="2.1.0"
+ARG OPENSTRUCTURE_VERSION="2.2.0"
 ARG SRC_FOLDER="/usr/local/src"
 ARG CPUS_FOR_MAKE=2
 ARG MSMS_VERSION="2.6.1"
diff --git a/singularity/Singularity b/singularity/Singularity
index 9aa5176634186bfea200cc4fb2efaa60b3700ad2..935e5c62c9a4d8b8d15974b5c47dc265748f5622 100644
--- a/singularity/Singularity
+++ b/singularity/Singularity
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: registry.scicore.unibas.ch/schwede/openstructure:2.1.0-bionic
+From: registry.scicore.unibas.ch/schwede/openstructure:2.2.0
 %post
 ##############################################################################
 # POST