diff --git a/pyproject.toml b/pyproject.toml
index d0b3982..83d9e38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,6 @@ numpy = [
     { version = ">=1.26.0", python = ">=3.12" },
 ]
 pillow = "^11.1.0"
-black = "^25.9.0"
 
 [tool.poetry.extras]
 pyarrow = ["pyarrow"]