diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 1f04dd68..0a9add31 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -40,11 +40,11 @@ jobs:
         # We use the same order as in the table
         # * For Windows we support amd64 only
         # * For Linux we support ARM64 and x86_64
-        # * For macOS we support x86_64 (macos-13 runner) and ARM64 (macos-14 runner)
+        # * For macOS we support x86_64 (macos-15-intel runner) and ARM64 (macos-14 runner)
         # * We build wheels for CPython only, one per platform, compatible with ABI3.9
         include:
           # CPython 3.9
-          - os: macos-13
+          - os: macos-15-intel
             cibw_build: cp39-macosx_x86_64
           - os: macos-14
             cibw_build: cp39-macosx_arm64
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7c7f997..4660cfbe 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Bump `pyO3` and `rust-numpy` to 0.26.0: introduce Python build 3.14/3.14t support https://github.com/light-curve/light-curve-python/pull/553
+- **Breaking** macOS x86\_64 binary wheel now requires macOS 15 instead of 13 https://github.com/light-curve/light-curve-python/issues/587
 
 ### Deprecated
 
diff --git a/light-curve/README.md b/light-curve/README.md
index 381236e8..773f152a 100644
--- a/light-curve/README.md
+++ b/light-curve/README.md
@@ -32,7 +32,7 @@ CPython 3 versions.
 
 | Arch \ OS   | Linux glibc 2.17+ | Linux musl 1.2+                | macOS                 | Windows https://github.com/light-curve/light-curve-python/issues/186 |
 |-------------|-------------------|--------------------------------|-----------------------|----------------------------------------------------------------------|
-| **x86-64**  | PyPI (MKL), conda | PyPI (MKL)                     | PyPI macOS 13+, conda | PyPI, conda (both no Ceres, no GSL)                                  |
+| **x86-64**  | PyPI (MKL), conda | PyPI (MKL)                     | PyPI macOS 15+, conda | PyPI, conda (both no Ceres, no GSL)                                  |
 | **i686**    | src               | src                            | —                     | not tested                                                           |
 | **aarch64** | PyPI              | PyPI                           | PyPI macOS 14+, conda | not tested                                                           |
 | **ppc64le** | src               | not tested (no Rust toolchain) | —                     | —                                                                    |