diff --git a/pyproject.toml b/pyproject.toml
index ba4551de..d336869b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,13 +23,15 @@ diagrams = "diagrams.cli:main"
 Homepage = "https://diagrams.mingrammer.com"
 Repository = "https://github.com/mingrammer/diagrams"
 
-[tool.poetry.group.dev.dependencies]
-pytest = "^8.3"
-pylint = "^3.3"
-rope = "^1.13"
-isort = "^6.0"
-black = "^24.4"
-pre-commit = "^4.0"
+[tool.hatch.envs.dev]
+dependencies = [
+    "pytest>=8.3,<9",
+    "pylint>=3.3,<4",
+    "rope>=1.13,<2",
+    "isort>=6.0,<7",
+    "black>=24.4,<25",
+    "pre-commit>=4.0,<5",
+]
 
 # The wheel ships the package and the icon tree it loads at runtime, and nothing
 # else. `resources` is a top-level directory because diagrams.Node._load_icon