diff --git a/pyproject.toml b/pyproject.toml
index a1d0694..292c4df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,8 +16,8 @@ falcon-swagger-ui = {git = "https://github.com/alanorth/falcon-swagger-ui.git",
 [tool.poetry.dev-dependencies]
 flake8 = "^4.0.1"
 pytest = "^6.1.1"
-black = {version = "^22.1.0", python = ">=3.6.2"}
-isort = {version = "^5.9.1", python = ">=3.6.1"}
+black = "^22.1.0"
+isort = "^5.9.1"
 
 [build-system]
 requires = ["poetry>=0.12"]