diff --git a/pyproject.toml b/pyproject.toml
index ed3d0ed5..3af92e69 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dev = [
     "pre-commit==4.6.0",
     "ruff==0.15.17",
     "pylint==4.0.6",
-    "pytest==9.0.3",
+    "pytest==9.1.1",
     "hypothesis>=6.152.4",
 ]
 doc = ["sphinx"]