diff --git a/pyproject.toml b/pyproject.toml
index c3ed5df..2c643e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ email = "filmor@gmail.com"
 Sources = "https://github.com/pythonnet/clr-loader"
 Documentation = "https://pythonnet.github.io/clr-loader/"
 
-[optional-dependencies]
+[dependency-groups]
 dev = [
     "pytest"
 ]