diff --git a/CHANGELOG.md b/CHANGELOG.md
index bf82b452..6cf7b029 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Changelog
 
+## [2.2.3] - 2023-11-02
+### Fixed
+- use _mm_malloc/_mm_free on macOS if aligned_alloc is unsupported
+
 ## [2.2.2] - 2023-10-31
 ### Fixed
 - fix compilation failure on macOS
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f4e699e..79edc492 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ if (CMAKE_BINARY_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
     message(FATAL_ERROR "Building in-source is not supported! Create a build dir and remove ${CMAKE_SOURCE_DIR}/CMakeCache.txt")
 endif()
 
-project(rapidfuzz LANGUAGES CXX VERSION 2.2.2)
+project(rapidfuzz LANGUAGES CXX VERSION 2.2.3)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 include(GNUInstallDirs)
diff --git a/extras/rapidfuzz_amalgamated.hpp b/extras/rapidfuzz_amalgamated.hpp
index 547668e3..ab69ee12 100644
--- a/extras/rapidfuzz_amalgamated.hpp
+++ b/extras/rapidfuzz_amalgamated.hpp
@@ -1,7 +1,7 @@
 //  Licensed under the MIT License <http://opensource.org/licenses/MIT>.
 //  SPDX-License-Identifier: MIT
 //  RapidFuzz v1.0.2
-//  Generated: 2023-11-01 00:20:18.570286
+//  Generated: 2023-11-02 10:29:38.300883
 //  ----------------------------------------------------------
 //  This file is an amalgamation of multiple different files.
 //  You probably shouldn't edit it directly.
@@ -1567,6 +1567,10 @@ constexpr void unroll(F&& f)
 
 #include <vector>
 
+#if defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+#    include <mm_malloc.h>
+#endif
+
 namespace rapidfuzz::detail {
 
 template <typename InputIt1, typename InputIt2, typename InputIt3>
@@ -1633,6 +1637,8 @@ static inline void* rf_aligned_alloc(size_t alignment, size_t size)
 {
 #if defined(_WIN32)
     return _aligned_malloc(size, alignment);
+#elif defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+    return _mm_malloc(size, alignment);
 #else
     return aligned_alloc(alignment, size);
 #endif
@@ -1642,6 +1648,8 @@ static inline void rf_aligned_free(void* ptr)
 {
 #if defined(_WIN32)
     _aligned_free(ptr);
+#elif defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+    _mm_free(ptr);
 #else
     free(ptr);
 #endif
diff --git a/rapidfuzz/details/common.hpp b/rapidfuzz/details/common.hpp
index 0e0ad6bc..e6ee1c54 100644
--- a/rapidfuzz/details/common.hpp
+++ b/rapidfuzz/details/common.hpp
@@ -13,6 +13,10 @@
 #include <rapidfuzz/details/types.hpp>
 #include <vector>
 
+#if defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+#    include <mm_malloc.h>
+#endif
+
 namespace rapidfuzz::detail {
 
 template <typename InputIt1, typename InputIt2, typename InputIt3>
@@ -79,6 +83,8 @@ static inline void* rf_aligned_alloc(size_t alignment, size_t size)
 {
 #if defined(_WIN32)
     return _aligned_malloc(size, alignment);
+#elif defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+    return _mm_malloc(size, alignment);
 #else
     return aligned_alloc(alignment, size);
 #endif
@@ -88,6 +94,8 @@ static inline void rf_aligned_free(void* ptr)
 {
 #if defined(_WIN32)
     _aligned_free(ptr);
+#elif defined(__APPLE__) && !defined(_LIBCPP_HAS_C11_FEATURES)
+    _mm_free(ptr);
 #else
     free(ptr);
 #endif