diff --git a/pyproject.toml b/pyproject.toml
index 7061fb3a..083204ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,17 +25,12 @@ dependencies = [
 
 [project.optional-dependencies]
 dev = [
-dev = [
-    "pytest>=8.0",
-    "pytest-asyncio>=0.23",
-    "pytest-cov>=4.1",
-    "ruff>=0.4",
-    "mypy>=1.10",
-]
     "pytest>=8.0",
     "pytest-asyncio>=0.23",
     "pytest-cov>=4.1",
     "pytest-mock>=3.12",
+    "ruff>=0.4",
+    "mypy>=1.10",
 ]
 
 [project.urls]