diff --git a/requirements.txt b/requirements.txt
index 5a81e1d734adcfd078b2638fba0938d390e87af3..826c412fb3f77a5636a55503223349f238b2122c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,6 +14,7 @@ parse
 pgcli
 pipenv
 pre-commit
+pur
 pygments
 sh
 template