diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7c71ce65..d5478cc0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
 # Development / test dependencies (not required to run IRMA itself).
 # Install with:  pip install -r requirements-dev.txt
 pytest>=7
-ruff>=0.16.3,<0.17
+ruff>=0.16.4,<0.17