diff --git a/CMakeExternals/CTK.cmake b/CMakeExternals/CTK.cmake
index 01cc047a35..3a173cf2ba 100644
--- a/CMakeExternals/CTK.cmake
+++ b/CMakeExternals/CTK.cmake
@@ -1,79 +1,79 @@
 #-----------------------------------------------------------------------------
 # CTK
 #-----------------------------------------------------------------------------
 
 if(MITK_USE_CTK)
 
   # Sanity checks
   if(DEFINED CTK_DIR AND NOT EXISTS ${CTK_DIR})
     message(FATAL_ERROR "CTK_DIR variable is defined but corresponds to non-existing directory")
   endif()
 
   set(proj CTK)
   mitk_query_custom_ep_vars()
 
   set(proj_DEPENDENCIES DCMTK ${${proj}_CUSTOM_DEPENDENCIES})
   set(CTK_DEPENDS ${proj})
 
   if(NOT DEFINED CTK_DIR)
 
     set(ctk_optional_cache_args )
 
     if(CTEST_USE_LAUNCHERS)
       list(APPEND ctk_optional_cache_args
         "-DCMAKE_PROJECT_${proj}_INCLUDE:FILEPATH=${CMAKE_ROOT}/Modules/CTestUseLaunchers.cmake"
       )
     endif()
 
     FOREACH(type RUNTIME ARCHIVE LIBRARY)
       IF(DEFINED CTK_PLUGIN_${type}_OUTPUT_DIRECTORY)
         LIST(APPEND mitk_optional_cache_args -DCTK_PLUGIN_${type}_OUTPUT_DIRECTORY:PATH=${CTK_PLUGIN_${type}_OUTPUT_DIRECTORY})
       ENDIF()
     ENDFOREACH()
 
     ExternalProject_Add(${proj}
       LIST_SEPARATOR ${sep}
       GIT_REPOSITORY https://github.com/MITK/CTK.git
-      GIT_TAG 37aff99226ed936b930b1ef07df046877771ea03 # branch: qt-6
+      GIT_TAG 807fff11483d56f205c9306be821ec5532ceb4c8 # branch: qt-6
       UPDATE_COMMAND ""
       INSTALL_COMMAND ""
       CMAKE_GENERATOR ${gen}
       CMAKE_GENERATOR_PLATFORM ${gen_platform}
       CMAKE_ARGS
         ${ep_common_args}
         ${ctk_optional_cache_args}
         "-DQt6_DIR:PATH=${Qt6_DIR}"
         # The CTK PluginFramework cannot cope with
         # a non-empty CMAKE_DEBUG_POSTFIX for the plugin
         # libraries yet.
         -DCMAKE_DEBUG_POSTFIX:STRING=
         -DCTK_QT_VERSION:STRING=6
         "-DGIT_EXECUTABLE:FILEPATH=${GIT_EXECUTABLE}"
         -DCTK_BUILD_QTDESIGNER_PLUGINS:BOOL=OFF
         -DCTK_LIB_PluginFramework:BOOL=ON
         -DCTK_LIB_DICOM/Widgets:BOOL=ON
         -DCTK_LIB_XNAT/Core:BOOL=ON
         -DCTK_PLUGIN_org.commontk.eventadmin:BOOL=ON
         -DCTK_PLUGIN_org.commontk.configadmin:BOOL=ON
         -DCTK_USE_SYSTEM_DCMTK:BOOL=ON
         "-DDCMTK_ROOT:PATH=${ep_prefix}"
         ${${proj}_CUSTOM_CMAKE_ARGS}
       CMAKE_CACHE_ARGS
         ${ep_common_cache_args}
         ${${proj}_CUSTOM_CMAKE_CACHE_ARGS}
       CMAKE_CACHE_DEFAULT_ARGS
         ${ep_common_cache_default_args}
         ${${proj}_CUSTOM_CMAKE_CACHE_DEFAULT_ARGS}
       DEPENDS ${proj_DEPENDENCIES}
      )
 
     ExternalProject_Get_Property(${proj} binary_dir)
     set(CTK_DIR ${binary_dir})
 
   else()
 
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
   endif()
 
 endif()