diff --git a/pyproject.toml b/pyproject.toml
index 3e6b1ce0..fc4ab9d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
 [project.optional-dependencies]
 spark = ["pyspark>=3.0.0"]
 test = [
-    "bandit[toml]==1.7.7",
+    "bandit[toml]==1.9.4",
     "black==24.1.1",
     "check-manifest==0.49",
     "flake8-bugbear==24.2.6",