diff --git a/lib/contracts/contribution.js b/lib/contracts/contribution.js
index 1d1d2ec..8b894b7 100644
--- a/lib/contracts/contribution.js
+++ b/lib/contracts/contribution.js
@@ -1,5 +1,6 @@
 const Record = require('./record');
 const ContributionSerializer = require('../serializers/contribution');
+const deprecate = require('./utils/deprecate');
 
 class Contribution extends Record {
   get count () {
@@ -34,7 +35,7 @@ class Contribution extends Record {
       });
   }
 
-  async addContribution (contributionAttr, callOptions = {}) {
+  async add (contributionAttr, callOptions = {}) {
     const contribution = new ContributionSerializer(contributionAttr);
 
     try { await contribution.validate(); }
@@ -56,6 +57,11 @@ class Contribution extends Record {
         return this.functions.add(...contribution, callOptions);
       });
   }
+
+  addContribution () {
+    deprecate('The method: `addContribution` is deprecated use `add` instead');
+    this.add(...arguments);
+  }
 }
 
 module.exports = Contribution;
diff --git a/lib/contracts/proposal.js b/lib/contracts/proposal.js
index fe0bafe..b5a9f42 100644
--- a/lib/contracts/proposal.js
+++ b/lib/contracts/proposal.js
@@ -1,5 +1,6 @@
 const Record = require('./record');
 const ContributionSerializer = require('../serializers/contribution');
+const deprecate = require('./utils/deprecate');
 
 class Proposal extends Record {
   get count () {
@@ -13,7 +14,7 @@ class Proposal extends Record {
       });
   }
 
-  async addProposal (proposalAttr, callOptions = {}) {
+  async add (proposalAttr, callOptions = {}) {
     const contribution = new ContributionSerializer(proposalAttr);
 
     try { await contribution.validate(); }
@@ -35,6 +36,11 @@ class Proposal extends Record {
         return this.functions.addProposal(...proposal, callOptions);
       });
   }
+
+  addProposal () {
+    deprecate('The method: `addProposal` is deprecated use `add` instead');
+    this.add(...arguments);
+  }
 }
 
 module.exports = Proposal;