diff --git a/crates/voicevox_core_python_api/requirements.txt b/crates/voicevox_core_python_api/requirements.txt
index cad09a4ef..ff06d7870 100644
--- a/crates/voicevox_core_python_api/requirements.txt
+++ b/crates/voicevox_core_python_api/requirements.txt
@@ -1,4 +1,4 @@
-Sphinx>=5.3.0,<6
+Sphinx>=6.2.1,<7
 maturin>=0.13.2,<0.14
-pydata-sphinx-theme>=0.11.0,<0.12
-sphinx-autoapi>=2.0.0,<3
+pydata-sphinx-theme>=0.14.1,<0.15
+sphinx-autoapi>=3.0.0,<4