diff --git a/requirements_dev.txt b/requirements_dev.txt
index 20e8e50..4bc4391 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -17,4 +17,4 @@ types-click==7.1.8
 types-freezegun==1.1.10
 types-requests==2.31.0.2
 types-toml==0.10.8.7
-vulture==2.8
+vulture==2.9.1