diff --git a/pyproject.toml b/pyproject.toml
index df38188..1dfe231 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ license = "MIT"
 python = "^3.8"
 
 [tool.poetry.dev-dependencies]
-isort = "^5.9.3"
+isort = "^8.0.0"
 black = "^21.9b0"
 pre-commit = "^2.15.0"