JAMES-3929 Upgrade Docker Opensearch image to 2.8.0
diff --git a/server/testing/src/main/java/org/apache/james/util/docker/Images.java b/server/testing/src/main/java/org/apache/james/util/docker/Images.java
index fd55e97..4f5e76a 100644
--- a/server/testing/src/main/java/org/apache/james/util/docker/Images.java
+++ b/server/testing/src/main/java/org/apache/james/util/docker/Images.java
@@ -25,7 +25,7 @@
     String ELASTICSEARCH_2 = "elasticsearch:2.4.6";
     String ELASTICSEARCH_6 = "docker.elastic.co/elasticsearch/elasticsearch:6.3.2";
     String ELASTICSEARCH_7 = "docker.elastic.co/elasticsearch/elasticsearch:7.10.2";
-    String OPENSEARCH = "opensearchproject/opensearch:2.4.0";
+    String OPENSEARCH = "opensearchproject/opensearch:2.8.0";
     String TIKA = "apache/tika:1.28.2";
     String MOCK_SMTP_SERVER = "linagora/mock-smtp-server:0.6";
     String OPEN_LDAP = "osixia/openldap:1.5.0";