diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 249fb7e..b933923 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -26,7 +26,7 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-    "pytest>=8.0.0",
+    "pytest>=9.0.3",
     "pytest-asyncio>=0.24.0",
     "httpx>=0.28.0",
     "aiosqlite>=0.20.0",