diff --git a/pyproject.toml b/pyproject.toml
index 9fa37d7..62c9da6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ dynamic = ["version"]
 [project.optional-dependencies]
 spark = ["pyspark>=3.0.0"]
 test = [
-    "bandit[toml]==1.7.5",
+    "bandit[toml]==1.9.3",
     "black==23.3.0",
     "check-manifest==0.49",
     "flake8-bugbear==23.5.9",