diff --git a/MANIFEST.in b/MANIFEST.in
index 8051ee0..aea554c 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,5 +3,6 @@ include LICENSE
 include man/asciidoc.conf
 include man/ansi2html.1
 include man/ansi2html.1.txt
+include ansi2html/py.typed
 recursive-include tests *
 recursive-exclude tests *.pyc
diff --git a/ansi2html/py.typed b/ansi2html/py.typed
new file mode 100644
index 0000000..e69de29