diff --git a/pyproject.toml b/pyproject.toml
index 2eeebd5..abe5c63 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ allow-direct-references = true  # required for senko git dep; remove if senko pu
 scribe = "scribe:main"
 
 [dependency-groups]
-dev = ["pytest>=8.0", "ruff>=0.9", "ty>=0.0.14"]
+dev = ["pytest>=8.0", "ruff>=0.9", "ty>=0.0.28"]
 
 [tool.ruff]
 target-version = "py313"