diff --git a/pyproject.toml b/pyproject.toml
index 1298ff5..b917028 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ classifiers = [
 dependencies = []
 
 [project.optional-dependencies]
-dev = ["pytest>=8"]
+dev = ["pytest>=9.1.1"]
 
 [project.scripts]
 gatecheck = "x402_resource_scanner.__main__:main"