diff --git a/pyproject.toml b/pyproject.toml
index ba7ceea..5a92dbc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -135,11 +135,15 @@ python = "3.11"
 [tool.pixi.feature.py312.dependencies]
 python = "3.12"
 
+[tool.pixi.feature.py313.dependencies]
+python = "3.13"
+
 [tool.pixi.environments]
 test310 = { features = ["py310", "test"], solve-group = "py310" }
 test311 = { features = ["py311", "test"], solve-group = "py311" }
 test312 = { features = ["py312", "test"], solve-group = "py312" }
-dev = { features = ["py312", "test", "lint", "build"], solve-group = "py312" }
+test313 = { features = ["py313", "test"], solve-group = "py313" }
+dev = { features = ["py313", "test", "lint", "build"], solve-group = "py313" }
 
 [tool.pixi.feature.build.tasks]
 build = { cmd = "python -m build" }