diff --git a/.travis.yml b/.travis.yml
index 2c8d1cb82..647355c03 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,15 @@
 language: node_js
-sudo: required # to install newer g++ and use docker
-dist: trusty # https://github.com/travis-ci/travis-ci/issues/5448
+sudo: required
+dist: trusty
 services:
-  - docker
+- docker
 matrix:
   include:
-    - node_js: "4.2"
-    - node_js: "0.12"
-    - node_js: "6.9.1"
-      env: SAUCE=true
-    - node_js: "6.9.1"
-      env: INTEGRATION=true
+  - node_js: '4.2'
+  - node_js: 6.9.4
+    env: SAUCE=true
+  - node_js: 6.9.4
+    env: INTEGRATION=true
 before_install:
 - npm install -g npm@'>=2.13.5'
 script:
@@ -40,9 +39,8 @@ after_success:
   fi
 env:
   global:
-    # GITHUB_TOKEN
-    - secure: Pc3DwkXywnOGAhUdBZiUCKjyljzrQzPoqm9EEr+UL2BaeaDniFLCLEkuU+ViiuJBo8oPyOIl7I+d86Mi5q06fQx55+xH7DmiW/aj4qKVB2U6Ghn6A3QWkQuvRB1o8SP7iTYRCX480ULZs6AGrMd9y1PFRx/L93fBrO+J/bOtEmg=
-    - CXX=g++-4.8 # node bindings in 4.0.0
+  - secure: Pc3DwkXywnOGAhUdBZiUCKjyljzrQzPoqm9EEr+UL2BaeaDniFLCLEkuU+ViiuJBo8oPyOIl7I+d86Mi5q06fQx55+xH7DmiW/aj4qKVB2U6Ghn6A3QWkQuvRB1o8SP7iTYRCX480ULZs6AGrMd9y1PFRx/L93fBrO+J/bOtEmg=
+  - CXX=g++-4.8
 addons:
   apt:
     sources:
@@ -54,22 +52,22 @@ notifications:
   slack:
     secure: CgXxNEQrQ82EatyF/wSdF0P5rXcWPL+fFZ1lb1aBb8RbVt5gwddJ6xWVD/nYSr6tIJvIYHYhoYsIDPENwezIPsesG7kWXerQhydsEcA34JKxzsStd/TmU6Moxuwy6KTN7yzmL6586nSvoAw9TNPgvRkJFkH07asjGIc9Rlaq7/Y=
 before_deploy: gulp build
-after_deploy: ./after_deploy.sh
+after_deploy: "./after_deploy.sh"
 deploy:
   - provider: npm
     email: npm@stellar.org
-    api_key: $NPM_TOKEN
+    api_key: "$NPM_TOKEN"
     skip_cleanup: true
     on:
       tags: true
       repo: stellar/js-stellar-sdk
-      node: "6.9.1"
+      node: 6.9.4
       condition: "$INTEGRATION = true"
   - provider: script
-    script: ./bower_publish.sh
+    script: "./bower_publish.sh"
     skip_cleanup: true
     on:
       tags: true
       repo: stellar/js-stellar-sdk
-      node: "6.9.1"
+      node: 6.9.4
       condition: "$INTEGRATION = true"
diff --git a/package.json b/package.json
index 8f5893516..3fc1bdced 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "eventsource": "^0.2.1",
     "jsdoc": "^3.4.1",
     "lodash": "^4.0.1",
-    "stellar-base": "^0.6.0",
+    "stellar-base": "^0.7.1",
     "toml": "^2.3.0"
   }
 }
diff --git a/src/federation_server.js b/src/federation_server.js
index cd1cdd685..d9abd01fc 100644
--- a/src/federation_server.js
+++ b/src/federation_server.js
@@ -4,7 +4,7 @@ import Promise from 'bluebird';
 import isString from "lodash/isString";
 import pick from "lodash/pick";
 import {Config} from "./config";
-import {Account, Keypair} from 'stellar-base';
+import {Account, StrKey} from 'stellar-base';
 import {StellarTomlResolver} from "./stellar_toml_resolver";
 
 export class FederationServer {
@@ -72,7 +72,7 @@ export class FederationServer {
   static resolve(value, opts = {}) {
     // Check if `value` is in account ID format
     if (value.indexOf('*') < 0) {
-      if (!Keypair.isValidPublicKey(value)) {
+      if (!StrKey.isValidEd25519PublicKey(value)) {
         return Promise.reject(new Error('Invalid Account ID'));
       } else {
         return Promise.resolve({account_id: value});
diff --git a/test/unit/server_test.js b/test/unit/server_test.js
index b0d759322..8cd6e71cc 100644
--- a/test/unit/server_test.js
+++ b/test/unit/server_test.js
@@ -3,6 +3,7 @@ describe("server.js tests", function () {
     this.server = new StellarSdk.Server('https://horizon-live.stellar.org:1337');
     this.axiosMock = sinon.mock(axios);
     StellarSdk.Config.setDefault();
+    StellarSdk.Network.useTestNetwork();
   });
 
   afterEach(function () {
@@ -467,7 +468,7 @@ describe("server.js tests", function () {
   describe('Server.submitTransaction', function() {
     it("sends a transaction", function(done) {
       let keypair = StellarSdk.Keypair.random();
-      let account = new StellarSdk.Account(keypair.accountId(), "56199647068161");
+      let account = new StellarSdk.Account(keypair.publicKey(), "56199647068161");
       let transaction = new StellarSdk.TransactionBuilder(account)
         .addOperation(StellarSdk.Operation.payment({
           destination: "GASOCNHNNLYFNMDJYQ3XFMI7BYHIOCFW3GJEOWRPEGK2TDPGTG2E5EDW",