diff --git a/requirements.txt b/requirements.txt
index d87968e70..bfcfdb868 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ mkdocs-material
 ruamel.yaml
 tabulate
 relation-validator
-asct-parser
\ No newline at end of file
+asct-parser
+ubergraph2asct
\ No newline at end of file