diff --git a/pyproject.toml b/pyproject.toml
index 4a776c4..e15ab0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ timeout = "60"
 
 [project.optional-dependencies]
 test = [
-    "pytest == 8.4.2",
+    "pytest == 9.0.0",
     "pytest-timeout == 2.4.0",
     "flake8 == 7.3.0"
 ]