diff --git a/requirements-dev.txt b/requirements-dev.txt
index bbcd539..d91e5df 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -4,7 +4,7 @@ pytest-cov
 pytest-mockito
 robotstatuschecker
 ruff >= 0.16.9
-robotframework-robocop >= 9.0.0
+robotframework-robocop >= 9.1.0
 invoke >= 3.0.3
 twine
 wheel