diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ff94f97da8a9eced92f710db9139ef91150ea2e..188ade39134d121af61b5cc7c57b5390a2d6d2a2 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 8)
+set (OST_VERSION_MINOR 9)
 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 6a9965e1395e5d2e8164f39b1491e6339bab6b66..76029e73e59b934d9a79120a227a914b6e81499f 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 # ARGUMENTS
 ###########
-ARG OPENSTRUCTURE_VERSION="2.8.0"
+ARG OPENSTRUCTURE_VERSION="2.9.0"
 ARG SRC_FOLDER="/usr/local/src"
 ARG CPUS_FOR_MAKE=2
 
diff --git a/singularity/Singularity b/singularity/Singularity
index 395c512ca3289341613932f39e24ae9aed0fc264..8ed1bb886168a62cb735a7528204265376e8b580 100644
--- a/singularity/Singularity
+++ b/singularity/Singularity
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: registry.scicore.unibas.ch/schwede/openstructure:2.8.0
+From: registry.scicore.unibas.ch/schwede/openstructure:2.9.0
 %post
 ##############################################################################
 # POST