diff --git a/backend/src/requirements-dev.txt b/backend/src/requirements-dev.txt
index 91183d3178..3e81e59ace 100644
--- a/backend/src/requirements-dev.txt
+++ b/backend/src/requirements-dev.txt
@@ -2,5 +2,5 @@ mypy==1.16.1
 pylint==3.3.7
 pytest-asyncio==1.0.0
 pytest-mock==3.14.1
-pytest==8.4.1
+pytest==9.1.1
 types-passlib==1.7.7.20250602