diff --git a/pyproject.toml b/pyproject.toml
index 02c1fc0..d96a587 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,6 +32,7 @@ build-backend = "uv_build"
 
 [dependency-groups]
 dev = [
+    "black",
     "pytest>=9.0.2",
     "pytest-httpx>=0.35.0",
     "syrupy>=5.0.0",