diff --git a/pyproject.toml b/pyproject.toml
index febb9f79..d96bf2e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ dev = [
 ]
 doc = [
     "alabaster==1.0.0",
-    "sphinx==8.1.3",
+    "sphinx==8.2.1",
     "sphinx-autodoc-typehints==2.5.0",
     "sphinxcontrib-asyncio==0.3.0"
 ]