diff --git a/pyproject.toml b/pyproject.toml
index e6428e4..4280343 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@
     "Operating System :: Microsoft :: Windows :: Windows 10",
     "Programming Language :: C",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Topic :: Software Development :: Compilers",
 ]