diff --git a/MANIFEST.in b/MANIFEST.in
index 3a697cf..5c7262c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,4 @@ graft tests/data
 graft pysubs2
 global-exclude __pycache__
 global-exclude *.py[co]
+include py.typed
diff --git a/pysubs2/py.typed b/pysubs2/py.typed
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/pysubs2/py.typed
@@ -0,0 +1 @@
+