diff --git a/pyproject.toml b/pyproject.toml
index 3f4c105..69d090b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ python = "^3.6"
 [tool.poetry.dev-dependencies]
 black = "^20.8b1"
 coverage = "^5.3.1"
-isort = "^5.8.0"
+isort = "^5.13.0"
 tox = "^3.25.1"
 tox-gh-actions = "^2.9.1"