diff --git a/requirements-dev.txt b/requirements-dev.txt
index 96cb8fb..6dd120c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,7 @@
 pytest>=5.1.0
 pytest-cov>=2.6.1
 setuptools>=40.8.3
-bandit>=1.5.1
+bandit>=1.9.4
 vulture>=1.0
 pydocstyle>=6.3.0
 build>=1.1.1