diff --git a/CHANGES.rst b/CHANGES.rst
index 6e2c536..08afd1a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,8 @@
+v3.2.1
+======
+
+Disabled PyObjC dependency on PyPy where it's unsupported.
+
 v3.2.0
 ======
 
diff --git a/setup.cfg b/setup.cfg
index db5a7c0..b994835 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,7 @@ packages = find_namespace:
 include_package_data = true
 python_requires = >=3.6
 install_requires =
-	pyobjc; platform_system == "Darwin"
+	pyobjc; platform_system == "Darwin" and python_implementation != "PyPy"
 	# until Python 3.6 is dropped
 	singledispatch >= 3.6
 setup_requires = setuptools_scm[toml] >= 3.4.1