diff --git a/ports/boost-build/0003-fix-emscripten.patch b/ports/boost-build/0003-fix-emscripten.patch
index 1de8a56a99..31baf4ec78 100644
--- a/ports/boost-build/0003-fix-emscripten.patch
+++ b/ports/boost-build/0003-fix-emscripten.patch
@@ -1,32 +1,21 @@
 diff --git a/src/tools/emscripten.jam b/src/tools/emscripten.jam
-index d6594c5e43..8b15d0af96 100644
+index 28175f6..c3c9968 100644
 --- a/src/tools/emscripten.jam
 +++ b/src/tools/emscripten.jam
-@@ -6,6 +6,7 @@
+@@ -7,12 +7,16 @@
  import feature ;
  import os ;
  import toolset ;
 +import generators ;
  import common ;
- import gcc ;
  import type ;
-@@ -37,6 +38,9 @@ rule init ( version ? :  command * : options * )
+ import version ;
  
  feature.extend toolset : emscripten ;
  
 +generators.override builtin.lib-generator : emscripten.prebuilt ;
 +generators.override emscripten.searched-lib-generator : searched-lib-generator ;
 +
- toolset.inherit-generators emscripten <toolset>emscripten
-     : gcc
-     : gcc.mingw.link gcc.mingw.link.dll gcc.compile.c.pch gcc.compile.c++.pch
-@@ -53,7 +57,7 @@ toolset.inherit-flags emscripten : gcc
- 
- type.set-generated-target-suffix EXE : <toolset>emscripten : "js" ;
- type.set-generated-target-suffix OBJ : <toolset>emscripten : "bc" ;
--type.set-generated-target-suffix STATIC_LIB : <toolset>emscripten : "bc" ;
-+type.set-generated-target-suffix STATIC_LIB : <toolset>emscripten : "a" ;
- 
- toolset.flags emscripten.compile OPTIONS <flags> ;
- toolset.flags emscripten.compile OPTIONS <cflags> ;
- 
\ No newline at end of file
+ feature.feature embind : off on : propagated ;
+ feature.feature closure : off on full : propagated ;
+ feature.feature link-optimization : off on full : propagated ;
diff --git a/ports/boost-build/portfile.cmake b/ports/boost-build/portfile.cmake
index 9aac91187e..cc38c7a771 100644
--- a/ports/boost-build/portfile.cmake
+++ b/ports/boost-build/portfile.cmake
@@ -10,7 +10,7 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO boostorg/build
     REF boost-${VERSION}
-    SHA512 61540a3b2b7b6167ed8286daed4b4fde515ae9e0de81d17ef688d7972a0a6325b15afbe4e9a73ec883a81d5b86998d612cadbdc79abaf1b087a74e4e6b7cc2b5
+    SHA512 332a00c39c1510ce8526e68fffe73afe9079c3e7cfb2d84471cfb9da484244cdb287b4a8d7b677ea716174aa4af5e53cfd3b6a5ebf161088b7f1296ea100a6ba
     HEAD_REF master
     PATCHES
         0002-fix-get-version.patch
diff --git a/ports/boost-build/vcpkg.json b/ports/boost-build/vcpkg.json
index be76db4f18..c9680f01b5 100644
--- a/ports/boost-build/vcpkg.json
+++ b/ports/boost-build/vcpkg.json
@@ -2,7 +2,7 @@
   "$comment": "Automatically generated by scripts/boost/generate-ports.ps1",
   "name": "boost-build",
   "version": "1.85.0",
-  "port-version": 1,
+  "port-version": 2,
   "description": "Boost.Build",
   "homepage": "https://github.com/boostorg/build",
   "license": "BSL-1.0",
diff --git a/versions/b-/boost-build.json b/versions/b-/boost-build.json
index 932c6a6b7c..4760430022 100644
--- a/versions/b-/boost-build.json
+++ b/versions/b-/boost-build.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "d3e9d9e7c1511a3f6b18237e12b697c8d1685100",
+      "version": "1.85.0",
+      "port-version": 2
+    },
     {
       "git-tree": "930bab4ff65933cb98b0f8205340ac192e5a97fb",
       "version": "1.85.0",
diff --git a/versions/baseline.json b/versions/baseline.json
index 9145158fbb..f7e1eba6b2 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -770,7 +770,7 @@
     },
     "boost-build": {
       "baseline": "1.85.0",
-      "port-version": 1
+      "port-version": 2
     },
     "boost-callable-traits": {
       "baseline": "1.85.0",