diff --git a/buildconfig/CMake/Bootstrap.cmake b/buildconfig/CMake/Bootstrap.cmake
index 30ad09073e4a79162c1657bb435023d8ee357be9..05a41d8c4650e6d93b93f4eb4f1b43a14351b775 100644
--- a/buildconfig/CMake/Bootstrap.cmake
+++ b/buildconfig/CMake/Bootstrap.cmake
@@ -10,7 +10,7 @@ if( MSVC )
   include ( ExternalProject )
   set( EXTERNAL_ROOT ${PROJECT_SOURCE_DIR}/external )
   set( THIRD_PARTY_GIT_URL "https://github.com/mantidproject/thirdparty-msvc2015.git" )
-  set ( THIRD_PARTY_GIT_SHA1 4691e740fa2050f4fd0b44628eac445906bb2978 )
+  set ( THIRD_PARTY_GIT_SHA1 ac57236e560ef78a60cdec32503c26cf013cdf08 )
   set ( THIRD_PARTY_DIR ${EXTERNAL_ROOT}/src/ThirdParty )
   # Generates a script to do the clone/update in tmp
   set ( _project_name ThirdParty )