diff --git a/MANIFEST.in b/MANIFEST.in
index 156bbd1f6..9ebce7b6f 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,7 @@
 include README.rst
 include MANIFEST.in
 include VERSION
+include skfda/py.typed
 include pyproject.toml
 include *.txt
 recursive-include deps *
diff --git a/skfda/py.typed b/skfda/py.typed
new file mode 100644
index 000000000..e69de29bb