diff --git a/.travis.yml b/.travis.yml
index 739c1d95a..3ec8c2211 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -41,7 +41,7 @@ deploy:
   - provider: npm
     email: npm@stellar.org
     api_key:
-      secure: I6WDNI9HIpGIJ8nygTkTmc2FdHC/d9xEkkBuHKPfeurG+i/6+WebUvhaMfDg+KjlxiKE1Rs6qs9gj8TRrwgT0E8pBNVoYayXB40hrVAX8aaw7bcU75jc+0wJ9P/NYXkgar/wpRaWDov1zoaS+ax/xlVrdElRBWvGzysIvkmjGJw=
+      secure: nfaQ5hzQnn1knh5AwIqMicA18fe2NpvNDv1NpG7I600UKjFh4zUZg+resbBbyjNcpegO6TnxpnxH8TR6NR9hpuFJb4Slh7PrPaLV00Qdln2wdqp5zQktqXc0azDIy04CsI66exrpIERQWxVLfIRib3zjs/Dds2cfZPR+tHueIig=
     skip_cleanup: true
     on:
       tags: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac00549fe..3f7b1869f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,10 +3,27 @@
 As this project is pre 1.0, breaking changes may happen for minor version bumps.
 A breaking change will get clearly marked in this log.
 
+## [v0.15.2](https://github.com/stellar/js-stellar-sdk/compare/v0.15.1...v0.15.2)
+
+- Fix Server.transactions and Server.payments definitions to properly return
+  collections
+- Renew the npm publish key
+
 ## [v0.15.1](https://github.com/stellar/js-stellar-sdk/compare/v0.15.0...v0.15.1)
 
-- Add Typescript type definitions (imported from DefinitelyTyped with new
-  adjustments).
+- Add Typescript type definitions (imported from DefinitelyTyped).
+- Make these changes to those definitions:
+  - Add definitions for Server.fetchBaseFee and Server.fetchTimebounds
+  - CallBuilder: No long always returns CollectionPaged results. Interfaces that
+    extend CallBuilder should specify whether their response is a collection or
+    not
+  - CallBuilder: Add inflation_destination and last_modified_ledger property
+  - OfferRecord: Fix the returned properties
+  - TradeRecord: Fix the returned properties
+  - TradesCallBuilder: Add forAccount method
+  - TransactionCallBuilder: Add includeFailed method
+  - Horizon.BalanceLineNative/Asset: Add buying_liabilities /
+    selling_liabilities properties
 - Fix documentation links.
 
 ## [v0.15.0](https://github.com/stellar/js-stellar-sdk/compare/v0.14.0...v0.15.0)
diff --git a/package.json b/package.json
index a98aceae3..47e0de183 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "stellar-sdk",
-  "version": "0.15.1",
+  "version": "0.15.2",
   "description": "stellar-sdk is a library for working with the Stellar Horizon server.",
   "main": "./lib/index.js",
   "types": "./types/index.d.ts",
diff --git a/test/integration/client_headers_test.js b/test/integration/client_headers_test.js
index 6187d8a13..06fbb3e50 100644
--- a/test/integration/client_headers_test.js
+++ b/test/integration/client_headers_test.js
@@ -2,7 +2,7 @@ const http = require('http');
 const url = require('url');
 const port = 3100;
 
-describe('integration tests', function(done) {
+describe('integration tests: client headers', function(done) {
   if (typeof window !== 'undefined') {
     done();
     return;
diff --git a/test/integration/server_test.js b/test/integration/server_test.js
index 9e6312d1d..cf09bd143 100644
--- a/test/integration/server_test.js
+++ b/test/integration/server_test.js
@@ -1,6 +1,6 @@
 let axios = require('axios');
 
-describe('integration tests', function() {
+describe('integration tests: server', function() {
   const TIMEOUT = 20 * 1000;
   this.timeout(TIMEOUT);
   this.slow(TIMEOUT / 2);
@@ -12,8 +12,9 @@ describe('integration tests', function() {
 
   before(function(done) {
     axios
-      .get(`${HORIZON}/friendbot?addr=${master.publicKey()}`)
-      .then(() => done());
+      .get(`https://friendbot.stellar.org?addr=${master.publicKey()}`)
+      .then(() => done())
+      .catch((e) => done(e));
   });
 
   after(function(done) {
@@ -41,7 +42,8 @@ describe('integration tests', function() {
 
           server.submitTransaction(tx).then(() => done());
         });
-      });
+      })
+      .catch((e) => done(e));
   });
 
   function createNewAccount(accountId) {
diff --git a/types/index.d.ts b/types/index.d.ts
index 3900a852d..671d82c71 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -490,7 +490,7 @@ export namespace Server {
     CollectionPage<PaymentPathRecord>
   > {}
   abstract class PaymentCallBuilder extends CallBuilder<
-    PaymentOperationRecord
+    CollectionPage<PaymentOperationRecord>
   > {
     forAccount(accountId: string): this;
     forLedger(sequence: string): this;
@@ -512,7 +512,9 @@ export namespace Server {
     forAccount(accountId: string): this;
   }
 
-  abstract class TransactionCallBuilder extends CallBuilder<TransactionRecord> {
+  abstract class TransactionCallBuilder extends CallBuilder<
+    CollectionPage<TransactionRecord>
+  > {
     transaction(transactionId: string): this;
     forAccount(accountId: string): this;
     forLedger(sequence: string | number): this;