diff --git a/pyproject.toml b/pyproject.toml
index 8d476f581..3c648c014 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,7 @@ pandas = "2.3.3"
 pyarrow = ">=10.0.1"
 pytest = ">=8.4.2"
 pyright = ">=1.1.407"
-ty = "0.0.1a25"
+ty = "0.0.1a27"
 pyrefly = ">=0.39.4"
 poethepoet = ">=0.16.5"
 loguru = ">=0.6.0"