diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b6fd8da..19aa8d4 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
     rev: 3.9.2
     hooks:
     -   id: flake8
-        additional-dependencies: [flake8-black, flake8-isort, flake8-docstrings]
+        additional_dependencies: [flake8-black, flake8-isort, flake8-docstrings]
 -   repo: https://github.com/pre-commit/mirrors-mypy
     rev: v0.910
     hooks: