diff --git a/requirements.txt b/requirements.txt
index 8d940c9bde8d27f55a1804ca9e4c9e19ac3bb1a5..cbee76355f38eaf3409877024faebda3bf6a9a44 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -106,3 +106,5 @@ Werkzeug==1.0.0
 widgetsnbextension==3.5.1
 xmlschema==1.0.18
 zipp==3.1.0
+ephem==3.7.7.1
+tabulate==0.8.7
\ No newline at end of file