diff --git a/config/requirements.txt b/config/requirements.txt
index 42992bd..df9bbdd 100644
--- a/config/requirements.txt
+++ b/config/requirements.txt
@@ -13,6 +13,7 @@ codecov
 rucio-clients
 diraccfg
 docutils
+elasticsearch <7.14
 elasticsearch-dsl>=6.0.0,<7.0.0
 flaky
 fts3-rest