diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5f81621413811bd35930ff6507a3ddfd39e9e359..83aa5d857cd44b803c1de242cfeb5cdbe018624b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,8 +14,8 @@ cmake_policy(SET CMP0060 NEW)
 project(OpenStructure CXX C)
 set (CMAKE_EXPORT_COMPILE_COMMANDS 1)
 set (OST_VERSION_MAJOR 2)
-set (OST_VERSION_MINOR 3)
-set (OST_VERSION_PATCH 1)
+set (OST_VERSION_MINOR 4)
+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)
 include(OST)
diff --git a/docker/Dockerfile b/docker/Dockerfile
index d18bad77b5943009ef1ba47f950734a79bbd9524..de0eda8207bd202ee3a7142272ea512e6a3e1708 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 # ARGUMENTS
 ###########
-ARG OPENSTRUCTURE_VERSION="2.3.1"
+ARG OPENSTRUCTURE_VERSION="2.4.0"
 ARG SRC_FOLDER="/usr/local/src"
 ARG CPUS_FOR_MAKE=2
 ARG OPENMM_VERSION="7.7.0"
diff --git a/singularity/Singularity b/singularity/Singularity
index dd26e2a39ff55ef5417c5f215ffc0bdcc5775a69..899e8e54ea6749bcd86f0329259e81464c78bf0a 100644
--- a/singularity/Singularity
+++ b/singularity/Singularity
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: registry.scicore.unibas.ch/schwede/openstructure:2.3.0-focal
+From: registry.scicore.unibas.ch/schwede/openstructure:2.4.0-jammy
 %post
 ##############################################################################
 # POST