diff --git a/pyproject.toml b/pyproject.toml
index 89fa3ff0..45dd7b64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dev = [
     # types
     'mypy==1.15.0; python_version >= "3.10"',
     # docs
-    'sphinx>=8,<=8.1.3; python_version >= "3.10"',
+    'sphinx>=8,<=8.2.1; python_version >= "3.10"',
     'furo==2024.8.6; python_version >= "3.10"',
     'sphinx-copybutton==0.5.2 ; python_version >= "3.10"',
     'sphinx-new-tab-link==0.6.1; python_version >= "3.10"',