diff --git a/CMakeLists.txt b/CMakeLists.txt
index aa7daa5413e1039eb3ec3181d824caa050686f3a..765161010afa254a9d7d1403028e2c55f10a52cf 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 5)
+set (OST_VERSION_MINOR 6)
 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 e019bcef45d8742129ea99819072b09b9baea6eb..f2924ede64d7ea85e398986b16fd907c3fc596c2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:22.04
 
 # ARGUMENTS
 ###########
-ARG OPENSTRUCTURE_VERSION="2.5.0"
+ARG OPENSTRUCTURE_VERSION="2.6.0"
 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 71f2c00fcad8ca8a2be1939865a2e7254ef0b486..03bcc8c398dfbfe4f926c3fd67f22f331c8e0509 100644
--- a/singularity/Singularity
+++ b/singularity/Singularity
@@ -1,5 +1,5 @@
 BootStrap: docker
-From: registry.scicore.unibas.ch/schwede/openstructure:2.5.0-jammy
+From: registry.scicore.unibas.ch/schwede/openstructure:2.6.0-jammy
 %post
 ##############################################################################
 # POST