diff --git a/pyproject.toml b/pyproject.toml
index b94d511..335d6ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "pre-commit~=4.2.0", 
-  "pytest~=8.4.0", 
+  "pytest~=9.0.1", 
   "ruff~=0.11.12",
   "pytest-mock~=3.14.1",
   "pytest-cov~=7.0.0"