diff --git a/hack/requirements.txt b/hack/requirements.txt
index 5f6b870..fbe1ea6 100644
--- a/hack/requirements.txt
+++ b/hack/requirements.txt
@@ -1,5 +1,5 @@
 pydocstyle==6.3.0
 pyflakes==3.1.0
-vulture==2.8
+vulture==2.9.1
 radon==6.0.1
 flake8_polyfill==1.0.2