diff --git a/pyproject.toml b/pyproject.toml
index ff8f222..b858655 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ wheel.expand-macos-universal-tags = true
 build-dir = "build"
 cmake.build-type = "Release"
 cmake.args = ["-G", "Ninja"]
-cmake.define = { CMAKE_OSX_DEPLOYMENT_TARGET = "15.0" }
+cmake.define = { CMAKE_OSX_DEPLOYMENT_TARGET = "14.0" }
 cmake.version = ">=3.15"
 cmake.source-dir = "."
 install.strip = false