diff --git a/eincheck/py.typed b/eincheck/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
index aa606ac..794aa4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "eincheck"
-version = "0.1.2"
+version = "0.1.3"
 description = "Tensor shape checks inspired by einstein notation"
 authors = ["Ethan Pronovost <epronovo1@gmail.com>"]
 readme = "README.md"