diff --git a/requirements/extras.txt b/requirements/extras.txt
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..84d43d47b354393f0bf216cd65b4cb9680b16379 100644
--- a/requirements/extras.txt
+++ b/requirements/extras.txt
@@ -0,0 +1,4 @@
+docopt
+type-docopt
+tqdm
+tempfile