diff --git a/README.md b/README.md
index 26ff7c2..15b0f3e 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ The default versions are always a combination of component versions which are co
 | ganache             |  ocean-contracts   | latest                            | 172.15.0.3      | 8545 -> 8545  |
 | ocean-contracts     |                    | v1.1.8                            | 172.15.0.14     |               |
 | Aquarius            |                    | v4.2.0                            | 172.15.0.5      | 5000 -> 5000  |
-| Elasticsearch       |  Aquarius          | 6.8.3                             | 172.15.0.6      |               |
+| Elasticsearch       |  Aquarius          | 7.14.2                             | 172.15.0.6      |               |
 | Provider            |                    | v1.3.10                            | 172.15.0.4      | 8030 -> 8030  |
 | Provider2           |                    | v1.3.10                            | 172.15.0.7      | 8030 -> 8030  |
 | RBAC Server         |                    | main                              | 172.15.0.8      | 3000 -> 3000  |
@@ -87,6 +87,7 @@ You can override the Docker image tag used for a particular component by setting
 - `PROVIDER_VERSION`
 - `CONTRACTS_VERSION`
 - `RBAC_VERSION`
+- `ELASTICSEARCH_VERSION`
 
 For example:
 
diff --git a/compose-files/elasticsearch.yml b/compose-files/elasticsearch.yml
index 029ef91..c8c4e19 100644
--- a/compose-files/elasticsearch.yml
+++ b/compose-files/elasticsearch.yml
@@ -1,7 +1,7 @@
 version: '3'
 services:
   elasticsearch:
-    image: elasticsearch:7.14.2
+    image: elasticsearch:${ELASTICSEARCH_VERSION:-latest}
     networks:
       backend:
         ipv4_address: 172.15.0.6
diff --git a/start_ocean.sh b/start_ocean.sh
index bb90847..d774213 100755
--- a/start_ocean.sh
+++ b/start_ocean.sh
@@ -29,6 +29,7 @@ COMPOSE_DIR="${DIR}/compose-files"
 # Default versions of Aquarius, Provider
 
 export AQUARIUS_VERSION=${AQUARIUS_VERSION:-v4.2.0}
+export ELASTICSEARCH_VERSION=${ELASTICSEARCH_VERSION:-7.14.2}
 export PROVIDER_VERSION=${PROVIDER_VERSION:-v1.3.10}
 export SUBGRAPH_VERSION=${SUBGRAPH_VERSION:-v3.0.0}
 export CONTRACTS_VERSION=${CONTRACTS_VERSION:-v1.1.8}