diff --git a/dev-requirements.txt b/dev-requirements.txt
index 9d56bd9..3dcf92a 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -4,5 +4,5 @@ pytest>=5.1.0
 pytest-cov>=2.6.1
 setuptools>=40.8.3
 bandit>=1.5.1
-vulture>=1.0
+vulture>=2.16
 pydocstyle>=3.0.0