diff --git a/misc/requirements/requirements-tests.txt b/misc/requirements/requirements-tests.txt
index 1752f08c7..658fc1580 100644
--- a/misc/requirements/requirements-tests.txt
+++ b/misc/requirements/requirements-tests.txt
@@ -16,6 +16,7 @@ itsdangerous==0.24
 # Jinja2==2.10
 Mako==1.0.7
 # MarkupSafe==1.0
+more-itertools==4.1.0
 parse==1.8.2
 parse-type==0.4.2
 pluggy==0.6.0