diff --git a/CMakeExternals/ITK-4.5.1-gcc-4.6.patch b/CMakeExternals/ITK-4.7.1-gcc-4.6.patch
similarity index 88%
rename from CMakeExternals/ITK-4.5.1-gcc-4.6.patch
rename to CMakeExternals/ITK-4.7.1-gcc-4.6.patch
index 0b23eebcaf..c107d22c50 100644
--- a/CMakeExternals/ITK-4.5.1-gcc-4.6.patch
+++ b/CMakeExternals/ITK-4.7.1-gcc-4.6.patch
@@ -1,21 +1,21 @@
-diff -urNb ITK-4.5.1/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in ITK/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in
---- ITK-4.5.1/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in	2014-02-28 19:46:45.000000000 +0100
+diff -urNb ITK-4.7.1/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in ITK/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in
+--- ITK-4.7.1/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in	2014-02-28 19:46:45.000000000 +0100
 +++ ITK/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_config_compiler.h.in	2015-02-06 01:37:50.344008518 +0100
 @@ -120,7 +120,7 @@
  // define VCL_CAN_STATIC_CONST_INIT_INT to either 0 or 1.
  
  //#define VCL_CAN_STATIC_CONST_INIT_INT 1 /* allowed */
 -//#define VCL_CAN_STATIC_CONST_INIT_INT 0 /* not allowed */
 +#define VCL_CAN_STATIC_CONST_INIT_INT 0 /* not allowed */
  #ifndef VCL_CAN_STATIC_CONST_INIT_INT
  # define VCL_CAN_STATIC_CONST_INIT_INT @VCL_STATIC_CONST_INIT_INT@
  #endif
 @@ -144,7 +144,7 @@
  // define VCL_CAN_STATIC_CONST_INIT_FLOAT to either 0 or 1.
  
  //#define VCL_CAN_STATIC_CONST_INIT_FLOAT 1 /* allowed */
 -//#define VCL_CAN_STATIC_CONST_INIT_FLOAT 0 /* not allowed */
 +#define VCL_CAN_STATIC_CONST_INIT_FLOAT 0 /* not allowed */
  #ifndef VCL_CAN_STATIC_CONST_INIT_FLOAT
  # define VCL_CAN_STATIC_CONST_INIT_FLOAT @VCL_STATIC_CONST_INIT_FLOAT@
  #endif
diff --git a/CMakeExternals/ITK-4.5.1.patch b/CMakeExternals/ITK-4.7.1.patch
similarity index 69%
rename from CMakeExternals/ITK-4.5.1.patch
rename to CMakeExternals/ITK-4.7.1.patch
index 4bff53ba30..fa4441dfd8 100644
--- a/CMakeExternals/ITK-4.5.1.patch
+++ b/CMakeExternals/ITK-4.7.1.patch
@@ -1,15 +1,15 @@
-diff -burN ITK-4.5.1/CMake/UseITK.cmake ITK/CMake/UseITK.cmake
---- ITK-4.5.1/CMake/UseITK.cmake	2014-02-28 19:46:45.000000000 +0100
-+++ ITK/CMake/UseITK.cmake	2015-01-29 14:31:00.137911666 +0100
-@@ -100,7 +100,11 @@
+diff -burN ITK-4.7.1/CMake/UseITK.cmake ITK/CMake/UseITK.cmake
+--- ITK-4.7.1/CMake/UseITK.cmake	2014-02-28 19:46:45.000000000 +0100
++++ ITK/CMake/UseITK.cmake		2015-01-29 14:31:00.137911666 +0100
+@@ -108,7 +108,11 @@
    unset(LIST_OF_FACTORY_NAMES)
  
    #-------------------
 +  if(NOT NO_DIRECTORY_SCOPED_ITK_COMPILE_DEFINITION)
 +    # We add a target scoped compile definition in MITK manually, to avoid leaking
 +    # the definition to other targets in the same directory or sub-directory.
    set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS ITK_IO_FACTORY_REGISTER_MANAGER)
 +  endif()
    include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/ITKIOFactoryRegistration)
  
  endif()
diff --git a/CMakeExternals/ITK.cmake b/CMakeExternals/ITK.cmake
index 9389663998..f659ac5934 100644
--- a/CMakeExternals/ITK.cmake
+++ b/CMakeExternals/ITK.cmake
@@ -1,82 +1,82 @@
 #-----------------------------------------------------------------------------
 # ITK
 #-----------------------------------------------------------------------------
 
 # Sanity checks
 if(DEFINED ITK_DIR AND NOT EXISTS ${ITK_DIR})
   message(FATAL_ERROR "ITK_DIR variable is defined but corresponds to non-existing directory")
 endif()
 
 set(proj ITK)
 set(proj_DEPENDENCIES GDCM)
 
 if(MITK_USE_OpenCV)
   list(APPEND proj_DEPENDENCIES OpenCV)
 endif()
 
 if(MITK_USE_HDF5)
   list(APPEND proj_DEPENDENCIES HDF5)
 endif()
 
 set(ITK_DEPENDS ${proj})
 
 if(NOT DEFINED ITK_DIR)
 
   set(additional_cmake_args )
   if(MINGW)
     set(additional_cmake_args
         -DCMAKE_USE_WIN32_THREADS:BOOL=ON
         -DCMAKE_USE_PTHREADS:BOOL=OFF)
   endif()
 
   list(APPEND additional_cmake_args
        -DUSE_WRAP_ITK:BOOL=OFF
       )
 
   if(MITK_USE_OpenCV)
     list(APPEND additional_cmake_args
          -DModule_ITKVideoBridgeOpenCV:BOOL=ON
          -DOpenCV_DIR:PATH=${OpenCV_DIR}
         )
   endif()
 
   # Keep the behaviour of ITK 4.3 which by default turned on ITK Review
   # see MITK bug #17338
   list(APPEND additional_cmake_args
     -DModule_ITKReview:BOOL=ON
   # for 4.7, the OpenJPEG is needed by review but the variable must be set
     -DModule_ITKOpenJPEG:BOOL=ON
   )
 
   set(vcl_constexpr_patch)
   if(GCC_VERSION VERSION_LESS 4.7 AND GCC_VERSION VERSION_GREATER 4)
     set(vcl_constexpr_patch
-      COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/ITK-4.5.1-gcc-4.6.patch
+      COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/ITK-4.7777777.1-gcc-4.6.patch
     )
   endif()
 
   ExternalProject_Add(${proj}
      LIST_SEPARATOR ${sep}
      URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/InsightToolkit-4.7.1-20c0592.tar.gz
      URL_MD5 f778a5f0e297c06dc629c33ec45733dc
      # work with external GDCM
-     PATCH_COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/ITK-4.5.1.patch
+     PATCH_COMMAND ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/ITK-4.7.1.patch
                    ${vcl_constexpr_patch}
      CMAKE_GENERATOR ${gen}
      CMAKE_ARGS
        ${ep_common_args}
        ${additional_cmake_args}
        -DBUILD_EXAMPLES:BOOL=OFF
        -DITK_USE_SYSTEM_GDCM:BOOL=ON
        -DGDCM_DIR:PATH=${GDCM_DIR}
      DEPENDS ${proj_DEPENDENCIES}
     )
 
   set(ITK_DIR ${ep_prefix})
   mitkFunctionInstallExternalCMakeProject(${proj})
 
 else()
 
   mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
 endif()