diff --git a/external/external_build.cmake b/external/external_build.cmake
index 5942efb..5a66138 100644
--- a/external/external_build.cmake
+++ b/external/external_build.cmake
@@ -41,7 +41,7 @@ IF(INTERNAL_NETCDF)
 ENDIF(INTERNAL_NETCDF)
 
 IF(INTERNAL_BOOST)
-  SET(BOOST_URL "https://boostorg.jfrog.io/artifactory/main/release/1.81.0/source/boost_1_81_0.tar.bz2" CACHE STRING "URL to download Boost from")
+  SET(BOOST_URL "https://archives.boost.io/release/1.81.0/source/boost_1_81_0.tar.bz2" CACHE STRING "URL to download Boost from")
   mark_as_advanced(BOOST_URL)
 ELSE(INTERNAL_BOOST)
   find_package(Boost 1.74.0 COMPONENTS format spirit phoenix python FATAL_ERROR)
@@ -240,7 +240,7 @@ if (INTERNAL_BOOST)
   ExternalProject_Add(boost
     DOWNLOAD_DIR ${VIDE_DOWNLOAD_CACHE}
     URL ${BOOST_URL}
-    URL_HASH SHA1=f82c0d8685b4d0e3971e8e2a8f9ef1551412c125
+    URL_HASH SHA1=898469f1ae407f5cbfca84f63ad602962eebf4cc
     PREFIX ${BUILD_PREFIX}/boost-prefix
     CONFIGURE_COMMAND ${CMAKE_COMMAND}  -DTOOLSET=${b2_toolset} "-DCOMPILER:STRING=${CMAKE_CXX_COMPILER}" "-DCOMPILER_EXTRA_FLAGS=${COMPILER_EXTRA_FLAGS}" "-DINSTALL_PATH:STRING=${EXT_INSTALL}" "-DLINKER_EXTRA_FLAGS=${LINKER_EXTRA_FLAGS}" "-DSRC_DIR:STRING=${BOOST_SOURCE_DIR}" -P ${CMAKE_SOURCE_DIR}/external/configure_boost.cmake
     BUILD_IN_SOURCE 1