diff --git a/requirements-tests.txt b/requirements-tests.txt
index 7002798..533c7fc 100644
--- a/requirements-tests.txt
+++ b/requirements-tests.txt
@@ -3,7 +3,7 @@
 pytest >=4.4.0,<9.0.0
 coverage[toml] >=6.2,<8.0
 mypy ==1.11.1
-ruff ==0.4.5
+ruff ==0.5.5
 # Needed explicitly by fastapi-cli-slim
 fastapi-slim
 uvicorn