diff --git a/pyproject.toml b/pyproject.toml
index 14cf293..4ae88ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ anthropic = ["anthropic>=0.39.0"]
 openai = ["openai>=1.0.0"]
 mcp = ["mcp>=1.0.0", "uvicorn>=0.30.0"]
 dev = [
-    "pytest>=7.4.0",
+    "pytest>=9.0.3",
     "ruff>=0.1.0",
 ]