diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index f5bba11..7064d73 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -32,18 +32,20 @@ jobs:
             py-vers-pr: cp311-*
             before-all: dnf -y install cmake ninja-build boost-devel
             extra-env: ""
-          - os: macos-13
+          - os: macos-15-intel
             arch: x86_64
             py-vers-full: cp39-* cp310-* cp311-* cp312-* cp313-*
             py-vers-pr: cp312-*
             before-all: brew install ninja boost
-            extra-env: CC="$(brew --prefix llvm@15)/bin/clang" CXX="$(brew --prefix llvm@15)/bin/clang++" HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
+            extra-env: CC=clang CXX=clang++
+            mdt: 15.0
           - os: macos-14
             arch: arm64
             py-vers-full: cp39-* cp310-* cp311-* cp312-* cp313-*
             py-vers-pr: cp313-*
             before-all: brew install ninja boost
-            extra-env: CC="$(brew --prefix llvm@15)/bin/clang" CXX="$(brew --prefix llvm@15)/bin/clang++" HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
+            extra-env: CC=clang CXX=clang++
+            mdt: 14.0
 
     env:
       CIBW_BUILD: ${{ github.event_name != 'pull_request' && matrix.py-vers-full || matrix.py-vers-pr }}
@@ -54,7 +56,7 @@ jobs:
       CIBW_BEFORE_ALL: ${{ matrix.before-all }}
       CIBW_BEFORE_BUILD: pip install --upgrade pip setuptools wheel
       CIBW_ENVIRONMENT: ${{ matrix.extra-env }}
-      MACOSX_DEPLOYMENT_TARGET: 10.15
+      MACOSX_DEPLOYMENT_TARGET: ${{ matrix.mdt }}
 
     steps:
       - name: checkout repo & submodules
diff --git a/README_PyPI.md b/README_PyPI.md
index ac3db37..d458e4b 100644
--- a/README_PyPI.md
+++ b/README_PyPI.md
@@ -8,6 +8,15 @@ The user manual for threads can be found [here](https://palamaralab.github.io/so
 
 ## Installation
 
+Prebuilt CPython wheels are available for Linux (compatible with glibc ≥ 2.28) and macOS (built on macOS 15 for x86_64 and macOS 14 for arm64).
+
+| Platform \ CPython          | ≤3.8 | 3.9 | 3.10 | 3.11 | 3.12 | 3.13 | 3.14 |
+|-----------------------------| ---- | --- | ---- | ---- | ---- | ---- | ---- |
+| Linux x86_64                | ❌    | ✅   | ✅    | ✅    | ✅    | ✅    | ✅    |
+| Linux aarch64               | ❌    | ✅   | ✅    | ✅    | ✅    | ✅    | ✅    |
+| macOS Intel (x86_64)        | ❌    | ✅   | ✅    | ✅    | ✅    | ✅    | ✅    |
+| macOS Apple Silicon (arm64) | ❌    | ✅   | ✅    | ✅    | ✅    | ✅    | ✅    |
+
 ```sh
 pip install threads_arg
 ```
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 3274126..cf5f86a 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,11 @@
 # threads Release Notes
 
+## [Unreleased]
+
+### Changed
+
+- Build wheels on macOS 14 for arm64 and macOS 15 for x86_64 (#108)
+
 ## [0.2.1] - 2025-06-03
 
 ### Added