diff --git a/canonicaljson.pyi b/canonicaljson.pyi
new file mode 100644
index 0000000..8a3d1f0
--- /dev/null
+++ b/canonicaljson.pyi
@@ -0,0 +1,8 @@
+from typing import Any, TextIO
+
+
+__version__: str
+
+
+def dump(obj: Any, fp: TextIO) -> None: ...
+def dumps(obj: Any) -> str: ...