diff --git a/debian/tests/control b/debian/tests/control
index e76e8872fe..6ec30ce39e 100644
--- a/debian/tests/control
+++ b/debian/tests/control
@@ -17,5 +17,6 @@ Depends: @,
   ruby-selenium-webdriver (>= 3.142~),
   ruby-shoulda-matchers (>= 4.0.1~),
   ruby-email-spec (>= 2.2~),
-  ruby-json-schema (>= 2.8~)
+  ruby-json-schema (>= 2.8~),
+  ruby-webmock (>= 3.5.1~)
 Restrictions: needs-root