diff --git a/README.md b/README.md
index a704472..d9b57bf 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # OpenSearch - Docker - Compose
 
-![OpenSearch version](https://img.shields.io/badge/OpenSearch%20version-2.11.1-blue)
+![OpenSearch version](https://img.shields.io/badge/OpenSearch%20version-2.15.0-blue)
 
 Dockerized cluster architecture for OpenSearch with compose.
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 28604f7..e057b85 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
 
   os01:
     restart: always
-    image: opensearchproject/opensearch:2.11.1
+    image: opensearchproject/opensearch:2.15.0
     environment:
       OPENSEARCH_JAVA_OPTS: "-Xms1024m -Xmx1024m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
       node.name: os01
@@ -37,7 +37,7 @@ services:
   
   os02:
     restart: always
-    image: opensearchproject/opensearch:2.11.1
+    image: opensearchproject/opensearch:2.15.0
     environment:
       OPENSEARCH_JAVA_OPTS: "-Xms1024m -Xmx1024m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
       node.name: os02
@@ -67,7 +67,7 @@ services:
   
   os03:
     restart: always
-    image: opensearchproject/opensearch:2.11.1
+    image: opensearchproject/opensearch:2.15.0
     environment:
       OPENSEARCH_JAVA_OPTS: "-Xms1024m -Xmx1024m" # minimum and maximum Java heap size, recommend setting both to 50% of system RAM
       node.name: os03
@@ -97,7 +97,7 @@ services:
 
   kibana:
     restart: always
-    image: opensearchproject/opensearch-dashboards:2.11.1
+    image: opensearchproject/opensearch-dashboards:2.15.0
     environment:
       OPENSEARCH_HOSTS: '["https://os01:9200","https://os02:9200","https://os03:9200"]' # must be a string with no spaces when specified as an environment variable
       DISABLE_INSTALL_DEMO_CONFIG: "true"