diff --git a/CHANGELOG.md b/CHANGELOG.md
index f42c97313f..6899e215c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="2.5.1"></a>
+## [2.5.1](https://github.com/commercetools/commercetools-php-sdk/compare/v2.5.0...v2.5.1) (2018-10-24)
+
+
+### Bug Fixes
+
+* **Money:** fix fraction digits type ([f870109](https://github.com/commercetools/commercetools-php-sdk/commit/f870109)), closes [#429](https://github.com/commercetools/commercetools-php-sdk/issues/429)
+
+
+
 <a name="2.5.0"></a>
 # [2.5.0](https://github.com/commercetools/commercetools-php-sdk/compare/v2.4.0...v2.5.0) (2018-08-16)
 
diff --git a/bin/ctp-tlscheck.php b/bin/ctp-tlscheck.php
index 53e6613e17..ee1e0e97c0 100755
--- a/bin/ctp-tlscheck.php
+++ b/bin/ctp-tlscheck.php
@@ -3,13 +3,13 @@
 
 class Tls12Checker
 {
-    const API_URI = 'api-tls12.commercetools.com';
+    const API_URI = 'api.commercetools.com';
 
     const URIS = [
-        'auth-tls12.commercetools.com',
-        'api-tls12.commercetools.com',
-        'auth-tls12.commercetools.co',
-        'api-tls12.commercetools.co',
+        'auth.commercetools.com',
+        'api.commercetools.com',
+        'auth.commercetools.co',
+        'api.commercetools.co',
         'api.sphere.io',
         'api.commercetools.co',
     ];
diff --git a/composer.json b/composer.json
index 00a2078d54..cb7722ee93 100644
--- a/composer.json
+++ b/composer.json
@@ -54,7 +54,7 @@
     "cache/filesystem-adapter": "^1.0",
     "cache/void-adapter": "^1.0",
     "incenteev/composer-parameter-handler": "^2.1",
-    "commercetools/commercetools-api-reference": "dev-master"
+    "commercetools/commercetools-api-reference": "dev-master#646973bdc9a5da9216fa8ae774ed51110186e3fa"
   },
   "replaces": {
     "commercetools/commons": "*"
@@ -75,7 +75,7 @@
   },
   "extra": {
     "branch-alias": {
-      "dev-develop": "2.3-dev"
+      "dev-develop": "2.6-dev"
     },
     "incenteev-parameters": [
       {
diff --git a/package.json b/package.json
index e00cdb960e..f23638e339 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "commercetools-php-sdk-changelog",
-  "version": "2.6.0",
+  "version": "2.5.1",
   "description": "commercetools PHP SDK changelog generator package description",
   "homepage": "https://github.com/commercetools/commercetools-php-sdk",
   "bugs": "https://github.com/commercetools/commercetools-php-sdk/issues",
diff --git a/src/Core/AbstractHttpClient.php b/src/Core/AbstractHttpClient.php
index 7fe3c6c4b4..011d5578de 100644
--- a/src/Core/AbstractHttpClient.php
+++ b/src/Core/AbstractHttpClient.php
@@ -14,7 +14,7 @@
  */
 abstract class AbstractHttpClient
 {
-    const VERSION = '2.5.0';
+    const VERSION = '2.5.1';
 
     /**
      * @var AdapterInterface
diff --git a/src/Core/Model/Common/CentPrecisionMoney.php b/src/Core/Model/Common/CentPrecisionMoney.php
index 24955495d7..98e19e24fb 100644
--- a/src/Core/Model/Common/CentPrecisionMoney.php
+++ b/src/Core/Model/Common/CentPrecisionMoney.php
@@ -13,8 +13,8 @@
  * @method CentPrecisionMoney setCentAmount(int $centAmount = null)
  * @method string getType()
  * @method CentPrecisionMoney setType(string $type = null)
- * @method string getFractionDigits()
- * @method CentPrecisionMoney setFractionDigits(string $fractionDigits = null)
+ * @method int getFractionDigits()
+ * @method CentPrecisionMoney setFractionDigits(int $fractionDigits = null)
  */
 class CentPrecisionMoney extends Money
 {
@@ -33,7 +33,7 @@ public function fieldDefinitions()
             static::CURRENCY_CODE => [self::TYPE => 'string'],
             static::CENT_AMOUNT => [self::TYPE => 'int'],
             static::TYPE => [self::TYPE => 'string'],
-            static::FRACTION_DIGITS => [self::TYPE => 'string']
+            static::FRACTION_DIGITS => [self::TYPE => 'int']
         ];
     }
 
diff --git a/src/Core/Model/Common/HighPrecisionMoney.php b/src/Core/Model/Common/HighPrecisionMoney.php
index bdc24954a3..ad775276f9 100644
--- a/src/Core/Model/Common/HighPrecisionMoney.php
+++ b/src/Core/Model/Common/HighPrecisionMoney.php
@@ -13,8 +13,8 @@
  * @method HighPrecisionMoney setCentAmount(int $centAmount = null)
  * @method string getType()
  * @method HighPrecisionMoney setType(string $type = null)
- * @method string getFractionDigits()
- * @method HighPrecisionMoney setFractionDigits(string $fractionDigits = null)
+ * @method int getFractionDigits()
+ * @method HighPrecisionMoney setFractionDigits(int $fractionDigits = null)
  * @method int getPreciseAmount()
  * @method HighPrecisionMoney setPreciseAmount(int $preciseAmount = null)
  * @method string getHighPrecision()
@@ -39,7 +39,7 @@ public function fieldDefinitions()
             static::CURRENCY_CODE => [self::TYPE => 'string'],
             static::CENT_AMOUNT => [self::TYPE => 'int'],
             static::TYPE => [self::TYPE => 'string'],
-            static::FRACTION_DIGITS => [self::TYPE => 'string'],
+            static::FRACTION_DIGITS => [self::TYPE => 'int'],
             static::PRECISE_AMOUNT => [self::TYPE => 'int'],
         ];
     }