diff --git a/MANIFEST.in b/MANIFEST.in
index 1a03abb..c84efdc 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,3 @@
+include requirements.txt
 include mkdocs_git_revision_date_localized_plugin/js/*.js
 include mkdocs_git_revision_date_localized_plugin/css/*.css