diff --git a/pyproject.toml b/pyproject.toml
index de21b4c..63517ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dev = [
     "pytest-asyncio==1.3.0",
     "pytest-cov==7.0.0",
     "ruff==0.14.13",
-    "bandit==1.9.2",
+    "bandit==1.9.3",
     "pyright==1.1.408",
     "twine==6.2.0",
     "pandas>=2.0.0",