diff --git a/.travis.yml b/.travis.yml
index 22a952caa..1b4232b85 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,7 +23,7 @@ before_script:
   - export ADDRESS_FILE="${HOME}/.ocean/ocean-contracts/artifacts/address.json"
   - export AQUARIUS_URI="http://172.15.0.5:5000"
   - export DEPLOY_CONTRACTS=true
-  - export CONTRACTS_VERSION=v0.5.3
+  - export CONTRACTS_VERSION=v0.5.5
   - bash -x start_ocean.sh --no-dashboard 2>&1 > start_ocean.log &
   - cd ..
   - ./scripts/waitforcontracts.sh
diff --git a/package-lock.json b/package-lock.json
index 260074236..5315647ed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -939,9 +939,9 @@
       }
     },
     "@oceanprotocol/contracts": {
-      "version": "0.5.3",
-      "resolved": "https://registry.npmjs.org/@oceanprotocol/contracts/-/contracts-0.5.3.tgz",
-      "integrity": "sha512-gJ8qQACJgxOPIrPE0OFQ09iYXBAisOGg56EmelQlsMUgp0yY0DKgBntDP83S/Ho1yBjGygqfxCjQrPH63hh/PA=="
+      "version": "0.5.5",
+      "resolved": "https://registry.npmjs.org/@oceanprotocol/contracts/-/contracts-0.5.5.tgz",
+      "integrity": "sha512-Omwlh3KxPm2JOuLd6DW4teAQhGaIv0fRTopCvctey0XGsf3DcbJpwS0A0YfgLQnvCyyVMKsiq90YCqpJ3SO/cw=="
     },
     "@octokit/auth-token": {
       "version": "2.4.2",
diff --git a/package.json b/package.json
index 7874b86de..63f800274 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   },
   "dependencies": {
     "@ethereum-navigator/navigator": "^0.5.0",
-    "@oceanprotocol/contracts": "^0.5.3",
+    "@oceanprotocol/contracts": "^0.5.5",
     "decimal.js": "^10.2.0",
     "fs": "0.0.1-security",
     "lzma": "^2.3.2",