diff --git a/pyproject.toml b/pyproject.toml
index 69cb0b7..30909c1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,10 +15,9 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.6",
-    "Programming Language :: Python :: 3.7",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
     "Topic :: Documentation",
     "Topic :: Documentation :: Sphinx",
     "Topic :: Utilities"