diff --git a/Auxiliary/vim/syntax/cmake.vim b/Auxiliary/vim/syntax/cmake.vim
index 53681a93b..11b0fcb4a 100644
--- a/Auxiliary/vim/syntax/cmake.vim
+++ b/Auxiliary/vim/syntax/cmake.vim
@@ -44,7 +44,7 @@ syn keyword cmakeModule
             \ contained
 
 syn keyword cmakeKWExternalProject
-            \ ALGO ALWAYS BINARY_DIR BUILD_ALWAYS BUILD_BYPRODUCTS BUILD_COMMAND BUILD_IN_SOURCE BYPRODUCTS CMAKE_ARGS CMAKE_CACHE_ARGS CMAKE_CACHE_DEFAULT_ARGS COMMAND COMMENT CONFIGURE_COMMAND CVS CVSROOT CVS_ CVS_MODULE CVS_REPOSITORY CVS_TAG DEPENDEES DEPENDERS DEPENDS DIRECTORY DOWNLOAD_COMMAND DOWNLOAD_DIR DOWNLOAD_NAME DOWNLOAD_NO_PROGRESS EP_BASE EP_INDEPENDENT_STEP_TARGETS EP_PREFIX EP_STEP_TARGETS EP_UPDATE_DISCONNECTED EXCLUDE_FROM_ALL EXCLUDE_FROM_MAIN FORCE GIT_REMOTE_NAME GIT_REPOSITORY GIT_SUBMODULES GIT_TAG HG_REPOSITORY HG_TAG INDEPENDENT INDEPENDENT_STEP_TARGETS INSTALL_COMMAND INSTALL_DIR JOB_POOLS LIST_SEPARATOR LOG LOG_BUILD LOG_CONFIGURE LOG_DOWNLOAD LOG_INSTALL LOG_TEST LOG_UPDATE NO_DEPENDS PATCH_COMMAND PREFIX PROPERTY SOURCE_DIR STAMP_DIR STEP_TARGETS SVN_ SVN_PASSWORD SVN_REPOSITORY SVN_REVISION SVN_TRUST_CERT SVN_USERNAME TEST_AFTER_INSTALL TEST_BEFORE_INSTALL TEST_COMMAND TEST_EXCLUDE_FROM_MAIN TIMEOUT TLS_CAINFO TLS_VERIFY TMP_DIR UPDATE_COMMAND UPDATE_DISCONNECTED URL URL_HASH HTTP_USERNAME HTTP_PASSWORD USES_TERMINAL USES_TERMINAL_BUILD USES_TERMINAL_CONFIGURE USES_TERMINAL_DOWNLOAD USES_TERMINAL_INSTALL USES_TERMINAL_TEST USES_TERMINAL_UPDATE WORKING_DIRECTORY _COMMAND _DIR
+            \ ALGO ALWAYS BINARY_DIR BUILD_ALWAYS BUILD_BYPRODUCTS BUILD_COMMAND BUILD_IN_SOURCE BYPRODUCTS CMAKE_ARGS CMAKE_CACHE_ARGS CMAKE_CACHE_DEFAULT_ARGS COMMAND COMMENT CONFIGURE_COMMAND CVS CVSROOT CVS_ CVS_MODULE CVS_REPOSITORY CVS_TAG DEPENDEES DEPENDERS DEPENDS DIRECTORY DOWNLOAD_COMMAND DOWNLOAD_DIR DOWNLOAD_NAME DOWNLOAD_NO_PROGRESS EP_BASE EP_INDEPENDENT_STEP_TARGETS EP_PREFIX EP_STEP_TARGETS EP_UPDATE_DISCONNECTED EXCLUDE_FROM_ALL EXCLUDE_FROM_MAIN FORCE GIT_REMOTE_NAME GIT_REPOSITORY GIT_SUBMODULES GIT_TAG HG_REPOSITORY HG_TAG INDEPENDENT INDEPENDENT_STEP_TARGETS INSTALL_COMMAND INSTALL_DIR JOB_POOLS LIST_SEPARATOR LOG LOG_BUILD LOG_CONFIGURE LOG_DOWNLOAD LOG_INSTALL LOG_TEST LOG_UPDATE NO_DEPENDS PATCH_COMMAND PREFIX PROPERTY SOURCE_DIR STAMP_DIR STEP_TARGETS SVN_ SVN_PASSWORD SVN_REPOSITORY SVN_REVISION SVN_TRUST_CERT SVN_USERNAME TEST_AFTER_INSTALL TEST_BEFORE_INSTALL TEST_COMMAND TEST_EXCLUDE_FROM_MAIN TIMEOUT TLS_CAINFO TLS_VERIFY TMP_DIR UPDATE_COMMAND UPDATE_DISCONNECTED URL URL_HASH HTTP_USERNAME HTTP_PASSWORD HTTP_HEADER USES_TERMINAL USES_TERMINAL_BUILD USES_TERMINAL_CONFIGURE USES_TERMINAL_DOWNLOAD USES_TERMINAL_INSTALL USES_TERMINAL_TEST USES_TERMINAL_UPDATE WORKING_DIRECTORY _COMMAND _DIR
             \ contained
 
 syn keyword cmakeKWadd_compile_options
diff --git a/Modules/ExternalProject-download.cmake.in b/Modules/ExternalProject-download.cmake.in
index 0e82adb7f..8e39a7ed0 100644
--- a/Modules/ExternalProject-download.cmake.in
+++ b/Modules/ExternalProject-download.cmake.in
@@ -136,6 +136,7 @@ foreach(i RANGE ${retry_number})
         STATUS status
         LOG log
         @USERPWD_ARGS@
+        @HTTP_HEADERS_ARGS@
     )
 
     list(GET status 0 status_code)
diff --git a/Modules/ExternalProject.cmake b/Modules/ExternalProject.cmake
index 31fa459b9..79054a178 100644
--- a/Modules/ExternalProject.cmake
+++ b/Modules/ExternalProject.cmake
@@ -79,6 +79,8 @@ Create custom targets to build projects in external trees
     Username for download operation
   ``HTTP_PASSWORD <username>``
     Password for download operation
+  ``HTTP_HEADER <header>``
+    HTTP header for download operation. Suboption can be repeated several times.
   ``TLS_VERIFY <bool>``
     Should certificate for https be checked
   ``TLS_CAINFO <file>``
@@ -862,7 +864,7 @@ endif()
 
 endfunction(_ep_write_gitupdate_script)
 
-function(_ep_write_downloadfile_script script_filename REMOTE LOCAL timeout no_progress hash tls_verify tls_cainfo userpwd)
+function(_ep_write_downloadfile_script script_filename REMOTE LOCAL timeout no_progress hash tls_verify tls_cainfo userpwd http_headers)
   if(timeout)
     set(TIMEOUT_ARGS TIMEOUT ${timeout})
     set(TIMEOUT_MSG "${timeout} seconds")
@@ -916,6 +918,16 @@ function(_ep_write_downloadfile_script script_filename REMOTE LOCAL timeout no_p
     set(USERPWD_ARGS USERPWD "${userpwd}")
   endif()
 
+  set(HTTP_HEADERS_ARGS "")
+  if(NOT http_headers STREQUAL "")
+    foreach(header ${http_headers})
+      set(
+          HTTP_HEADERS_ARGS
+          "HTTPHEADER \"${header}\"\n        ${HTTP_HEADERS_ARGS}"
+      )
+    endforeach()
+  endif()
+
   # Used variables:
   # * TLS_VERIFY_CODE
   # * TLS_CAINFO_CODE
@@ -927,6 +939,7 @@ function(_ep_write_downloadfile_script script_filename REMOTE LOCAL timeout no_p
   # * TIMEOUT_ARGS
   # * TIMEOUT_MSG
   # * USERPWD_ARGS
+  # * HTTP_HEADERS_ARGS
   configure_file(
       "${_ExternalProject_SELF_DIR}/ExternalProject-download.cmake.in"
       "${script_filename}"
@@ -1932,8 +1945,9 @@ function(_ep_add_download_command name)
         get_property(tls_cainfo TARGET ${name} PROPERTY _EP_TLS_CAINFO)
         get_property(http_username TARGET ${name} PROPERTY _EP_HTTP_USERNAME)
         get_property(http_password TARGET ${name} PROPERTY _EP_HTTP_PASSWORD)
+        get_property(http_headers TARGET ${name} PROPERTY _EP_HTTP_HEADER)
         set(download_script "${stamp_dir}/download-${name}.cmake")
-        _ep_write_downloadfile_script("${download_script}" "${url}" "${file}" "${timeout}" "${no_progress}" "${hash}" "${tls_verify}" "${tls_cainfo}" "${http_username}:${http_password}")
+        _ep_write_downloadfile_script("${download_script}" "${url}" "${file}" "${timeout}" "${no_progress}" "${hash}" "${tls_verify}" "${tls_cainfo}" "${http_username}:${http_password}" "${http_headers}")
         set(cmd ${CMAKE_COMMAND} -P "${download_script}"
           COMMAND)
         if (no_extract)