diff --git a/requirements.txt b/requirements.txt
index 826c412fb3f77a5636a55503223349f238b2122c..74782e68d9f5aa5cd423728a17c761e5c1a0dd06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,6 +13,7 @@ mycli
 parse
 pgcli
 pipenv
+piprot
 pre-commit
 pur
 pygments