diff --git a/pyproject.toml b/pyproject.toml
index 7fbdedd4a8bafcd3ad63c128cf1bdfdffb73253f..09e0d3966510ea6503298932e1a23ed4d65b2b3a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,7 +52,7 @@ isort = "^5.0.0"
 flake8 = "^3.8.2"
 flake8-black = "^0.2.0"
 flake8-mypy = "^17.8.0"
-flake8-bandit = "^2.1.2"
+flake8-bandit = "^4.0.0"
 flake8-isort = "^4.0.0"
 flake8-builtins = "^1.5.3"
 flake8-docstrings = "^1.5.0"