diff --git a/pyproject.toml b/pyproject.toml
index 3c312b9a..f0a258a0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ mkdocs = "^1.4.2"
 # Allow lines to be as long as 150 characters.
 line-length = 150
 ignore = ["D100"]
-required-version = "0.0.286"
+required-version = "0.0.291"
 
 [build-system]
 requires = ["poetry>=0.12"]