diff --git a/requirements_dev.txt b/requirements_dev.txt
index 4765e35..92a6118 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -6,7 +6,7 @@
 #
 attrs==25.4.0
     # via flake8-bugbear
-bandit==1.8.6
+bandit==1.9.1
     # via -r requirements_dev.in
 black==25.9.0
     # via -r requirements_dev.in