diff --git a/pyproject.toml b/pyproject.toml
index 8c1255c..3674e67 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ pytest = "^9.0.0"
 pytest-cov = "^7.0.0"
 pytest-mock = "^3.10.0"
 responses = "^0.25.0"
-sphinx = "7.4.7"
+sphinx = "9.1.0"
 sphinx-rtd-theme = "^3.0.0"
 
 [tool.black]