diff --git a/setup.cfg b/setup.cfg
index 08eaa44e60541ddb2e512eb783902765966250f3..a6abf3c3e0513c87c7678e742c7666b994a5dab8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,7 +11,7 @@ classifiers =
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
-    Operating System :: POSIX :: Linux
+    Operating System :: OS Independent
     Development Status :: 5 - Production/Stable
     License :: OSI Approved :: MIT License
     Topic :: Software Development :: Libraries