diff --git a/pyproject.toml b/pyproject.toml
index 9596f2d..d340262 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ requires-python = ">=3.13"
 dependencies = []
 [project.optional-dependencies]
 test = [
-    "pytest==8.4.2",
+    "pytest==9.0.0",
     "pytest-cov==7.0.0",
 ]
 dev = [