diff --git a/inventories/opensearch/group_vars/all/all.yml b/inventories/opensearch/group_vars/all/all.yml
index d61fc18..82b6acb 100644
--- a/inventories/opensearch/group_vars/all/all.yml
+++ b/inventories/opensearch/group_vars/all/all.yml
@@ -7,11 +7,11 @@ os_download_url: https://artifacts.opensearch.org/releases/bundle/opensearch
 
 # opensearch version
 # 2.x Latest Version
-os_version: "2.17.1"
+os_version: "2.18.0"
 
 # opensearch dashboards version
 # 2.x Latest Version
-os_dashboards_version: "2.17.1"
+os_dashboards_version: "2.18.0"
 
 # Configure hostnames for opensearch nodes
 # It is required to configure SSL