diff --git a/pyproject.toml b/pyproject.toml
index 682c20d..293d120 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0",
+    "pytest>=9.1.1",
     "pytest-cov>=4.0",
     "ruff>=0.6",
     "pre-commit>=3.0",