diff --git a/pixi.toml b/pixi.toml
index 7dee08a7..55e18382 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -121,7 +121,7 @@ pytest = ">=9.1.1"
 validate-pyproject = ">=0.25"
 pyrefly = ">=1.4.0"
 zizmor = ">=1.31.1"
-tombi = ">=1.9.3"
+tombi = ">=1.9.4"
 # NOTE: don't add cupy, jax, pytorch, or sparse here,
 # as they slow down mypy and are not portable across target OSs