diff --git a/pyproject.toml b/pyproject.toml
index c3975fa..11c4997 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,10 +14,9 @@ requests = "^2.24.0"
 falcon-swagger-ui = {git = "https://github.com/alanorth/falcon-swagger-ui.git", rev="falcon3-update-swagger-ui"}
 
 [tool.poetry.dev-dependencies]
-ipython = { version = "^7.18.1", python = "^3.7" }
-flake8 = "^3.8.4"
+flake8 = "^4.0.1"
 pytest = "^6.1.1"
-black = {version = "^21.6b0", python = ">=3.6.2"}
+black = {version = "^22.1.0", python = ">=3.6.2"}
 isort = {version = "^5.9.1", python = ">=3.6.1"}
 
 [build-system]