diff --git a/README.md b/README.md
index 5b9a424..9d951b8 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ The default versions are always a combination of component versions which are co
 | Component name      | Required by        | Version                           | IP Address      | Ports exposed | 
 | --------------      | ------------------ | --------------------------------- | --------------- | ------------- |
 | ganache             |  ocean-contracts   | latest                            | 172.15.0.3      | 8545 -> 8545  |
-| ocean-contracts     |                    | v0.6.2                            | 172.15.0.14     |               |
+| ocean-contracts     |                    | v0.6.4                            | 172.15.0.14     |               |
 | Aquarius            |                    | v2.2.12                           | 172.15.0.5      | 5000 -> 5000  |
 | Elasticsearch       |  Aquarius          | 6.8.3                             | 172.15.0.6      |               |
 | Provider            |                    | v0.4.9                            | 172.15.0.4      | 8030 -> 8030  |
diff --git a/start_ocean.sh b/start_ocean.sh
index 6131ab7..783b49a 100755
--- a/start_ocean.sh
+++ b/start_ocean.sh
@@ -30,7 +30,7 @@ COMPOSE_DIR="${DIR}/compose-files"
 
 export AQUARIUS_VERSION=${AQUARIUS_VERSION:-v2.2.12}
 export PROVIDER_VERSION=${PROVIDER_VERSION:-v0.4.9}
-export CONTRACTS_VERSION=${CONTRACTS_VERSION:-v0.6.2}
+export CONTRACTS_VERSION=${CONTRACTS_VERSION:-v0.6.4}
 export RBAC_VERSION=${RBAC_VERSION:-next}
 export PROJECT_NAME="ocean"
 export FORCEPULL="false"