diff --git a/requirements.txt b/requirements.txt
index cb0c28ab85bc81e757a651962f44e430d06cca32..54b1b5987eeeeafc7a509bc595bb47de011f3e78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
+dateutil
 psycopg2
 vcversioner