diff --git a/CMakeExternals/VTK-9.0.0.patch b/CMakeExternals/VTK-9.0.0.patch
deleted file mode 100644
index a468c8fff2..0000000000
--- a/CMakeExternals/VTK-9.0.0.patch
+++ /dev/null
@@ -1,15 +0,0 @@
-diff --git a/Rendering/FreeType/vtkFreeTypeTools.cxx b/Rendering/FreeType/vtkFreeTypeTools.cxx
-index c54289dc60..03b899c4da 100644
---- a/Rendering/FreeType/vtkFreeTypeTools.cxx
-+++ b/Rendering/FreeType/vtkFreeTypeTools.cxx
-@@ -378,8 +378,7 @@ FTC_CMapCache* vtkFreeTypeTools::GetCMapCache()
- }
- 
- //----------------------------------------------------------------------------
--FT_CALLBACK_DEF(FT_Error)
--vtkFreeTypeToolsFaceRequester(
-+static FT_Error vtkFreeTypeToolsFaceRequester(
-   FTC_FaceID face_id, FT_Library lib, FT_Pointer request_data, FT_Face* face)
- {
- #if VTK_FTFC_DEBUG_CD
-
diff --git a/CMakeExternals/VTK-9.0.1.patch b/CMakeExternals/VTK-9.0.1.patch
new file mode 100644
index 0000000000..4bb1a4665c
--- /dev/null
+++ b/CMakeExternals/VTK-9.0.1.patch
@@ -0,0 +1,51 @@
+diff --git a/Rendering/FreeType/vtkFreeTypeTools.cxx b/Rendering/FreeType/vtkFreeTypeTools.cxx
+index c54289dc..03b899c4 100644
+--- a/Rendering/FreeType/vtkFreeTypeTools.cxx
++++ b/Rendering/FreeType/vtkFreeTypeTools.cxx
+@@ -378,8 +378,7 @@ FTC_CMapCache* vtkFreeTypeTools::GetCMapCache()
+ }
+ 
+ //----------------------------------------------------------------------------
+-FT_CALLBACK_DEF(FT_Error)
+-vtkFreeTypeToolsFaceRequester(
++static FT_Error vtkFreeTypeToolsFaceRequester(
+   FTC_FaceID face_id, FT_Library lib, FT_Pointer request_data, FT_Face* face)
+ {
+ #if VTK_FTFC_DEBUG_CD
+diff --git a/ThirdParty/hdf5/vtkhdf5/src/H5Fsuper.c b/ThirdParty/hdf5/vtkhdf5/src/H5Fsuper.c
+index 49995651..00a3dc55 100644
+--- a/ThirdParty/hdf5/vtkhdf5/src/H5Fsuper.c
++++ b/ThirdParty/hdf5/vtkhdf5/src/H5Fsuper.c
+@@ -54,6 +54,7 @@
+ /********************/
+ static herr_t H5F__super_ext_create(H5F_t *f, H5O_loc_t *ext_ptr);
+ static herr_t H5F__update_super_ext_driver_msg(H5F_t *f);
++herr_t H5O__fsinfo_set_version(H5F_t *f, H5O_fsinfo_t *fsinfo);
+ 
+ 
+ /*********************/
+diff --git a/ThirdParty/hdf5/vtkhdf5/src/H5Oint.c b/ThirdParty/hdf5/vtkhdf5/src/H5Oint.c
+index 543637c1..a927c0d1 100644
+--- a/ThirdParty/hdf5/vtkhdf5/src/H5Oint.c
++++ b/ThirdParty/hdf5/vtkhdf5/src/H5Oint.c
+@@ -82,6 +82,7 @@ static herr_t H5O__free_visit_visited(void *item, void *key,
+ static herr_t H5O__visit_cb(hid_t group, const char *name, const H5L_info_t *linfo,
+     void *_udata);
+ static const H5O_obj_class_t *H5O__obj_class_real(const H5O_t *oh);
++herr_t H5CX_get_ohdr_flags(uint8_t* oh_flags);
+ 
+ 
+ /*********************/
+diff --git a/ThirdParty/hdf5/vtkhdf5/src/H5Rint.c b/ThirdParty/hdf5/vtkhdf5/src/H5Rint.c
+index 159bccac..08bd8c80 100644
+--- a/ThirdParty/hdf5/vtkhdf5/src/H5Rint.c
++++ b/ThirdParty/hdf5/vtkhdf5/src/H5Rint.c
+@@ -46,6 +46,8 @@
+ /********************/
+ /* Local Prototypes */
+ /********************/
++herr_t H5CX_set_libver_bounds(H5F_t*);
++
+ 
+ /*********************/
+ /* Package Variables */
diff --git a/CMakeExternals/VTK.cmake b/CMakeExternals/VTK.cmake
index 96341d9d64..767dff62a1 100644
--- a/CMakeExternals/VTK.cmake
+++ b/CMakeExternals/VTK.cmake
@@ -1,88 +1,88 @@
 #-----------------------------------------------------------------------------
 # VTK
 #-----------------------------------------------------------------------------
 
 # Sanity checks
 if(DEFINED VTK_DIR AND NOT EXISTS ${VTK_DIR})
   message(FATAL_ERROR "VTK_DIR variable is defined but corresponds to non-existing directory")
 endif()
 
 set(proj VTK)
 set(proj_DEPENDENCIES )
 set(VTK_DEPENDS ${proj})
 
 if(MITK_USE_HDF5)
   list(APPEND proj_DEPENDENCIES HDF5)
 endif()
 
 if(NOT DEFINED VTK_DIR)
 
   set(additional_cmake_args )
 
   if(WIN32)
     list(APPEND additional_cmake_args
       -DCMAKE_CXX_MP_FLAG:BOOL=ON
       )
   else()
     list(APPEND additional_cmake_args
       -DVTK_MODULE_USE_EXTERNAL_VTK_freetype:BOOL=ON
       )
   endif()
 
   # Optionally enable memory leak checks for any objects derived from vtkObject. This
   # will force unit tests to fail if they have any of these memory leaks.
   option(MITK_VTK_DEBUG_LEAKS OFF)
   mark_as_advanced(MITK_VTK_DEBUG_LEAKS)
   list(APPEND additional_cmake_args
     -DVTK_DEBUG_LEAKS:BOOL=${MITK_VTK_DEBUG_LEAKS}
     )
 
   if(MITK_USE_Qt5)
     list(APPEND additional_cmake_args
       -DVTK_GROUP_ENABLE_Qt:STRING=YES
       -DQt5_DIR:PATH=${Qt5_DIR}
       )
   endif()
 
   if(CTEST_USE_LAUNCHERS)
     list(APPEND additional_cmake_args
       "-DCMAKE_PROJECT_${proj}_INCLUDE:FILEPATH=${CMAKE_ROOT}/Modules/CTestUseLaunchers.cmake"
       )
   endif()
 
   mitk_query_custom_ep_vars()
 
   ExternalProject_Add(${proj}
     LIST_SEPARATOR ${sep}
-    URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/VTK-9.0.0.tar.gz
-    URL_MD5 fa61cd36491d89a17edab18522bdda49
+    URL ${MITK_THIRDPARTY_DOWNLOAD_PREFIX_URL}/VTK-9.0.1.tar.gz
+    URL_MD5 f443c9198495081765910ebbc9dace3a
     PATCH_COMMAND
-      ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/VTK-9.0.0.patch
+      ${PATCH_COMMAND} -N -p1 -i ${CMAKE_CURRENT_LIST_DIR}/VTK-9.0.1.patch
     CMAKE_GENERATOR ${gen}
     CMAKE_GENERATOR_PLATFORM ${gen_platform}
     CMAKE_ARGS
       ${ep_common_args}
       -DVTK_ENABLE_WRAPPING:BOOL=OFF
       -DVTK_LEGACY_REMOVE:BOOL=ON
       -DVTK_MODULE_ENABLE_VTK_TestingRendering:STRING=YES
       -DVTK_MODULE_ENABLE_VTK_RenderingContextOpenGL2:STRING=YES
       -DVTK_MODULE_ENABLE_VTK_RenderingVolumeOpenGL2:STRING=YES
       ${additional_cmake_args}
       ${${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}
     )
 
   set(VTK_DIR ${ep_prefix})
   mitkFunctionInstallExternalCMakeProject(${proj})
 
 else()
 
   mitkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
 
 endif()