diff --git a/pyproject.toml b/pyproject.toml
index b55444a..dcc7f2f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0.0",
+    "pytest>=9.1.1",
     "pytest-asyncio>=0.23.0",
     "pytest-cov>=5.0.0",
     "hypothesis>=6.100.0",