diff --git a/ansible-role-elasticsearch/README.md b/ansible-role-elasticsearch/README.md
index f939dbf1..3dd45b08 100644
--- a/ansible-role-elasticsearch/README.md
+++ b/ansible-role-elasticsearch/README.md
@@ -24,7 +24,7 @@ Defaults variables are listed below, along with its values (see `defaults/main.y
   elasticsearch_http_port: 9200
   elasticsearch_network_host: 127.0.0.1
   elasticsearch_jvm_xms: 1g
-  elastic_stack_version: 5.4.0
+  elastic_stack_version: 5.5.0
 ```
 
 Example Playbook