diff --git a/ports/msgpack/portfile.cmake b/ports/msgpack/portfile.cmake
index 164ccd4bec..47b22820f8 100644
--- a/ports/msgpack/portfile.cmake
+++ b/ports/msgpack/portfile.cmake
@@ -5,17 +5,23 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO msgpack/msgpack-c
-    REF cpp-6.0.0
-    SHA512 6f2ec74562f30d12ba81659737c412317848eb27fbc607a2f4f8da4b75534fbfba7d280a5af6fdae3581a6a2582e6cf06d7fbfacc3bdee1174456817dd9f7e30
+    REF cpp-6.1.1
+    SHA512 866950d6e3c6ebd886e76d167ed5f88544c3a2ce4845bf0b08752edd40f45318a808d5b2a70ff64671beb83c49f568cf35b86c13bb3ffc2a6c90724466e53e4d
     HEAD_REF cpp_master
 )
 
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        boost MSGPACK_USE_BOOST
+)
+
 vcpkg_cmake_configure(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
         -DMSGPACK_BUILD_EXAMPLES=OFF
         -DMSGPACK_BUILD_TESTS=OFF
         -DMSGPACK_BUILD_DOCS=OFF
+        ${FEATURE_OPTIONS}
 )
 
 vcpkg_cmake_install()
diff --git a/ports/msgpack/vcpkg.json b/ports/msgpack/vcpkg.json
index fcc2ebaae0..a0d7e24022 100644
--- a/ports/msgpack/vcpkg.json
+++ b/ports/msgpack/vcpkg.json
@@ -1,19 +1,10 @@
 {
   "name": "msgpack",
-  "version": "6.0.0",
-  "port-version": 1,
+  "version": "6.1.1",
   "description": "MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller.",
   "homepage": "https://github.com/msgpack/msgpack-c",
   "license": "BSL-1.0",
   "dependencies": [
-    "boost-assert",
-    "boost-fusion",
-    "boost-numeric-conversion",
-    "boost-optional",
-    "boost-predef",
-    "boost-preprocessor",
-    "boost-utility",
-    "boost-variant",
     {
       "name": "vcpkg-cmake",
       "host": true
@@ -22,5 +13,20 @@
       "name": "vcpkg-cmake-config",
       "host": true
     }
-  ]
+  ],
+  "features": {
+    "boost": {
+      "description": "Build msgpack using Boost",
+      "dependencies": [
+        "boost-assert",
+        "boost-fusion",
+        "boost-numeric-conversion",
+        "boost-optional",
+        "boost-predef",
+        "boost-preprocessor",
+        "boost-utility",
+        "boost-variant"
+      ]
+    }
+  }
 }
diff --git a/versions/baseline.json b/versions/baseline.json
index 941db2d30e..a22072cde7 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -5937,8 +5937,8 @@
       "port-version": 0
     },
     "msgpack": {
-      "baseline": "6.0.0",
-      "port-version": 1
+      "baseline": "6.1.1",
+      "port-version": 0
     },
     "msgpack-c": {
       "baseline": "6.0.0",
diff --git a/versions/m-/msgpack.json b/versions/m-/msgpack.json
index bad0ee95d9..cf2ee812f5 100644
--- a/versions/m-/msgpack.json
+++ b/versions/m-/msgpack.json
@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "e3a5d5d08813fda8a223cc1a04d7efcb0ff204ec",
+      "version": "6.1.1",
+      "port-version": 0
+    },
     {
       "git-tree": "f9f798edc049a449e0fe3dffb9401659339b371a",
       "version": "6.0.0",