diff --git a/pyproject.toml b/pyproject.toml
index 50aaf53b31..fcbdeff0bc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,9 +32,7 @@ classifiers = [
     "Environment :: WebAssembly :: Emscripten",
     "Intended Audience :: Science/Research",
     "License :: OSI Approved :: Apache Software License",
-    "Operating System :: Microsoft :: Windows",
-    "Operating System :: MacOS",
-    "Operating System :: POSIX :: Linux",
+    "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: 3.8",