diff --git a/CMakeExternals/CTK.cmake b/CMakeExternals/CTK.cmake
index efc9d75480..f4c14ea98f 100644
--- a/CMakeExternals/CTK.cmake
+++ b/CMakeExternals/CTK.cmake
@@ -1,124 +1,124 @@
 #-----------------------------------------------------------------------------
 # 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)
   set(proj_DEPENDENCIES )
   set(CTK_DEPENDS ${proj})
 
   if(NOT DEFINED CTK_DIR)
 
     set(revision_tag cbd8b4b4)
     #IF(${proj}_REVISION_TAG)
     #  SET(revision_tag ${${proj}_REVISION_TAG})
     #ENDIF()
 
     set(ctk_optional_cache_args )
     if(MITK_USE_Python)
       if(NOT MITK_USE_SYSTEM_PYTHON)
         list(APPEND proj_DEPENDENCIES Python)
       endif()
       list(APPEND ctk_optional_cache_args
            -DCTK_LIB_Scripting/Python/Widgets:BOOL=ON
            -DCTK_ENABLE_Python_Wrapping:BOOL=ON
            -DCTK_APP_ctkSimplePythonShell:BOOL=ON
            -DPYTHON_EXECUTABLE:FILEPATH=${PYTHON_EXECUTABLE}
            -DPYTHON_INCLUDE_DIR:PATH=${PYTHON_INCLUDE_DIR}
            -DPYTHON_INCLUDE_DIR2:PATH=${PYTHON_INCLUDE_DIR2}
            -DPYTHON_LIBRARY:FILEPATH=${PYTHON_LIBRARY}
       )
     else()
       list(APPEND ctk_optional_cache_args
            -DCTK_LIB_Scripting/Python/Widgets:BOOL=OFF
            -DCTK_ENABLE_Python_Wrapping:BOOL=OFF
            -DCTK_APP_ctkSimplePythonShell:BOOL=OFF
       )
     endif()
 
     if(MITK_USE_DCMTK)
       list(APPEND ctk_optional_cache_args
            -DDCMTK_DIR:PATH=${DCMTK_DIR}
            -DDCMTK_CMAKE_DEBUG_POSTFIX:STRING=d
           )
       list(APPEND proj_DEPENDENCIES DCMTK)
     else()
       list(APPEND ctk_optional_cache_args
            -DDCMTK_URL:STRING=${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/CTK_DCMTK_085525e6.tar.gz
           )
     endif()
 
     if(CTEST_USE_LAUNCHERS)
       list(APPEND ctk_optional_cache_args
         "-DCMAKE_PROJECT_${proj}_INCLUDE:FILEPATH=${CMAKE_ROOT}/Modules/CTestUseLaunchers.cmake"
       )
     endif()
 
     set (ctk_qt_args -DCTK_QT_VERSION:STRING=${DESIRED_QT_VERSION})
 
     if (DESIRED_QT_VERSION MATCHES "4")
       list(APPEND ctk_qt_args -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE})
     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}
       #URL https://www.dropbox.com/s/j9ii4udqfa6jn2k/CTK-CGS-2015.06_dcc02437.tar.gz
       #URL_MD5 1720e40402238619908c55a44d5036ff
       GIT_REPOSITORY https://github.com/AndreasFetzer/CTK.git
       GIT_TAG origin/ctk-for-mitk-cgs-workbench-2015.06
       UPDATE_COMMAND ""
       INSTALL_COMMAND ""
       CMAKE_GENERATOR ${gen}
       CMAKE_ARGS
         ${ep_common_args}
         ${ctk_optional_cache_args}
         ${ctk_qt_args}
         # The CTK PluginFramework cannot cope with
         # a non-empty CMAKE_DEBUG_POSTFIX for the plugin
         # libraries yet.
         -DCMAKE_DEBUG_POSTFIX:STRING=
         -DGit_EXECUTABLE:FILEPATH=${GIT_EXECUTABLE}
         -DGIT_EXECUTABLE:FILEPATH=${GIT_EXECUTABLE}
         -DCTK_LIB_CommandLineModules/Backend/LocalProcess:BOOL=ON
         -DCTK_LIB_CommandLineModules/Frontend/QtGui:BOOL=ON
         -DCTK_LIB_PluginFramework:BOOL=ON
         -DCTK_LIB_DICOM/Widgets:BOOL=ON
         -DCTK_LIB_XNAT/Core:BOOL=ON
         -DCTK_PLUGIN_org.commontk.eventadmin:BOOL=ON
         -DCTK_PLUGIN_org.commontk.configadmin:BOOL=ON
         -DCTK_USE_GIT_PROTOCOL:BOOL=OFF
         -DDCMTK_URL:STRING=${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/CTK_DCMTK_085525e6.tar.gz
         # See bug 19073
         -DPythonQt_URL:STRING=${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/PythonQt_36ab9c7c.tar.gz
-        -DqRestAPI_URL:STRING=https://www.dropbox.com/s/ecrg9mc7ytw40li/qRestAPI_db64f424.tar.gz
+        -DqRestAPI_URL:STRING=${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/qRestAPI_c5e4c2a7.tar.gz
       CMAKE_CACHE_ARGS
         ${ep_common_cache_args}
       CMAKE_CACHE_DEFAULT_ARGS
         ${ep_common_cache_default_args}
       DEPENDS ${proj_DEPENDENCIES}
      )
 
     ExternalProject_Get_Property(${proj} binary_dir)
     set(CTK_DIR ${binary_dir})
     #set(CTK_DIR ${ep_prefix})
     #mitkFunctionInstallExternalCMakeProject(${proj})
 
   else()
 
     mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
   endif()
 
 endif()