diff --git a/pyproject.toml b/pyproject.toml
index adfc0f6e..0b0999aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0",
+    "pytest>=9.1.1",
     "pytest-asyncio>=0.23",
     "pytest-cov>=4.1",
     "pytest-mock>=3.12",