diff --git a/pyproject.toml b/pyproject.toml
index 8f1aefb..2adf749 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ docs = ["Sphinx", "sphinx-rtd-theme"]
 
 [tool.poetry.group.dev.dependencies]
 bandit = "^1.7.0"
-importlib-metadata = "<7" # Workaround for https://github.com/PyCQA/bandit/issues/951
+importlib-metadata = "<9" # Workaround for https://github.com/PyCQA/bandit/issues/951
 isort = "^5.7.0" 
 lxml = "^5.2.2" 
 mypy = "^1.1"