diff --git a/ports/boost-modular-build-helper/CONTROL b/ports/boost-modular-build-helper/CONTROL
index 59744faee5e6c4..51347569e53352 100644
--- a/ports/boost-modular-build-helper/CONTROL
+++ b/ports/boost-modular-build-helper/CONTROL
@@ -1,2 +1,2 @@
 Source: boost-modular-build-helper
-Version: 2019-04-25
+Version: 1.70.0-1
diff --git a/ports/boost-modular-build-helper/Jamroot.jam b/ports/boost-modular-build-helper/Jamroot.jam
index d85c8d6629b64f..7721973a930001 100644
--- a/ports/boost-modular-build-helper/Jamroot.jam
+++ b/ports/boost-modular-build-helper/Jamroot.jam
@@ -1,5 +1,5 @@
-constant BOOST_VERSION : 1.69.0 ;
-constant BOOST_VERSION_ABI_TAG : 1_69 ;
+constant BOOST_VERSION : 1.70.0 ;
+constant BOOST_VERSION_ABI_TAG : 1_70 ;
 constant BOOST_JAMROOT_MODULE : $(__name__) ;
 
 import boostcpp ;
diff --git a/ports/boost-modular-build-helper/boost-modular-build.cmake b/ports/boost-modular-build-helper/boost-modular-build.cmake
index 8e3b2f324a4f7f..30821238414142 100644
--- a/ports/boost-modular-build-helper/boost-modular-build.cmake
+++ b/ports/boost-modular-build-helper/boost-modular-build.cmake
@@ -234,7 +234,7 @@ function(boost_modular_build)
             find_path(PATH_TO_CL cl.exe)
             find_path(PLATFORM_WINMD_DIR platform.winmd PATHS "${PATH_TO_CL}/../../../lib/x86/store/references" NO_DEFAULT_PATH)
             if(PLATFORM_WINMD_DIR MATCHES "NOTFOUND")
-                message(FATAL_ERROR "Could not find `platform.winmd` in VS2017. Do you have the Universal Windows Platform development workload installed?")
+                message(FATAL_ERROR "Could not find `platform.winmd` in VS. Do you have the Universal Windows Platform development workload installed?")
             endif()
         else()
             find_path(PLATFORM_WINMD_DIR platform.winmd PATHS "$ENV{VS140COMNTOOLS}/../../VC/LIB/store/references")
@@ -253,10 +253,8 @@ function(boost_modular_build)
     configure_file(${_bm_DIR}/user-config.jam ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-dbg/user-config.jam @ONLY)
     configure_file(${_bm_DIR}/user-config.jam ${CURRENT_BUILDTREES_DIR}/${TARGET_TRIPLET}-rel/user-config.jam @ONLY)
 
-    if(VCPKG_PLATFORM_TOOLSET MATCHES "v141" OR VCPKG_PLATFORM_TOOLSET MATCHES "v142")
-        list(APPEND _bm_OPTIONS toolset=msvc-14.1)
-    elseif(VCPKG_PLATFORM_TOOLSET MATCHES "v140")
-        list(APPEND _bm_OPTIONS toolset=msvc-14.0)
+    if(VCPKG_PLATFORM_TOOLSET MATCHES "v14.")
+        list(APPEND _bm_OPTIONS toolset=msvc)
     elseif(VCPKG_PLATFORM_TOOLSET MATCHES "external")
         list(APPEND _bm_OPTIONS toolset=gcc)
     else()
@@ -351,7 +349,7 @@ function(boost_modular_build)
         string(REPLACE "-x64-" "-" NEW_FILENAME ${NEW_FILENAME}) # To enable CMake 3.10 and earlier to locate the binaries
         string(REPLACE "-a32-" "-" NEW_FILENAME ${NEW_FILENAME}) # To enable CMake 3.10 and earlier to locate the binaries
         string(REPLACE "-a64-" "-" NEW_FILENAME ${NEW_FILENAME}) # To enable CMake 3.10 and earlier to locate the binaries
-        string(REPLACE "-1_69" "" NEW_FILENAME ${NEW_FILENAME}) # To enable CMake > 3.10 to locate the binaries
+        string(REPLACE "-1_70" "" NEW_FILENAME ${NEW_FILENAME}) # To enable CMake > 3.10 to locate the binaries
         string(REPLACE "_python3-" "_python-" NEW_FILENAME ${NEW_FILENAME})
         if("${DIRECTORY_OF_LIB_FILE}/${NEW_FILENAME}" STREQUAL "${DIRECTORY_OF_LIB_FILE}/${OLD_FILENAME}")
             # nothing to do