diff --git a/ports/msgpack/CONTROL b/ports/msgpack/CONTROL
index 1ea2e19c2e7..0ec6083c879 100644
--- a/ports/msgpack/CONTROL
+++ b/ports/msgpack/CONTROL
@@ -1,5 +1,4 @@
 Source: msgpack
-Version: 3.2.0
-Port-Version: 2
+Version: 3.3.0
 Homepage: https://github.com/msgpack/msgpack-c
 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.
diff --git a/ports/msgpack/portfile.cmake b/ports/msgpack/portfile.cmake
index f6c6b4ed9f5..86e2ea37810 100644
--- a/ports/msgpack/portfile.cmake
+++ b/ports/msgpack/portfile.cmake
@@ -5,8 +5,8 @@ endif()
 vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO msgpack/msgpack-c
-    REF cpp-3.2.0
-    SHA512 698fcdd5b427373997d0c89ff2cd09c44cf3b165defd381ff3cd9e14ecb83841064754a42aab99441a3b17aa26e3daec8f83e40d6d482c4b443b21b313278d14
+    REF cpp-3.3.0
+    SHA512 33ed87b23d776cadcc230666e6435088e402c5813e7e4dce5ce79c8c3aceba5a36db8f395278042c6ac44c474b33018ff1635889d8b20bc41c5f6f1d1c963cae
     HEAD_REF master
 )