diff --git a/requirements/requirements-base.txt b/requirements/requirements-base.txt
index e25adc6..470cc4b 100644
--- a/requirements/requirements-base.txt
+++ b/requirements/requirements-base.txt
@@ -1,5 +1,5 @@
 influxdb>=2.11
-elasticsearch==5
+elasticsearch>=5,<7.0.0
 pkgsettings>=0.9.2
 six>=1.10.0,<2.0.0
 fqn-decorators>=1.0.0,<2.0.0