diff --git a/dev-requirements.txt b/dev-requirements.txt
index a3e63a7..7a8418b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -2,6 +2,6 @@ art==6.5
 pytest>=4.3.1
 pytest-cov>=2.6.1
 setuptools>=40.8.0
-vulture>=1.0
+vulture>=2.16
 bandit>=1.5.1
 pydocstyle>=3.0.0