diff --git a/libbeat/tests/system/requirements.txt b/libbeat/tests/system/requirements.txt
index 559a1771b45e..40159ad8aaa1 100644
--- a/libbeat/tests/system/requirements.txt
+++ b/libbeat/tests/system/requirements.txt
@@ -8,7 +8,7 @@ docker-compose==1.23.1
 docker-pycreds==0.3.0
 dockerpty==0.4.1
 docopt==0.6.2
-elasticsearch==6.2.0
+elasticsearch==6.3.1
 enum34==1.1.6
 functools32==3.2.3.post2
 idna==2.6
diff --git a/metricbeat/tests/system/requirements.txt b/metricbeat/tests/system/requirements.txt
index 5228cdc51820..7b3c633b2f15 100644
--- a/metricbeat/tests/system/requirements.txt
+++ b/metricbeat/tests/system/requirements.txt
@@ -1,3 +1,3 @@
 kafka-python==1.4.3
-elasticsearch==6.2.0
+elasticsearch==6.3.1
 semver==2.8.1