diff --git a/pyproject.toml b/pyproject.toml
index da20b926..1d3e5456 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,7 +70,7 @@ pre-commit = "^3.3.1"
 optional = true
 
 [tool.poetry.group.docs.dependencies]
-sphinx = "7.4.7"
+sphinx = "8.1.3"
 sphinx-hoverxref = "^1.3.0"
 sphinx_copybutton = "0.5.2"
 sphinx_design = "^0.6.0"