diff --git a/_package/pyproject.toml b/_package/pyproject.toml
index 30cb79f46..05600ef0a 100644
--- a/_package/pyproject.toml
+++ b/_package/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 
 [project.optional-dependencies]
 doc = [
-    "Sphinx==7.3.7",
+    "Sphinx==7.4.4",
     "build>= 0.10.0",
     "jupyter_sphinx==0.5.3",
     "linuxdoc==20240509",