diff --git a/dev-requirements.txt b/dev-requirements.txt
index d51951b..da7472b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
 requests==2.32.5
 setuptools>=40.8.0
-vulture>=1.0
+vulture>=2.16
 bandit>=1.5.1
 pydocstyle>=3.0.0
 pytest>=4.3.1