diff --git a/Makefile b/Makefile
index c3d61c37..696d737e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 setup:
-	composer.phar install
+	./composer.phar install
 	npm install
 
 test:
diff --git a/VERSION b/VERSION
index 21bb5e15..0d3ad67a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.5
+2.2.10
diff --git a/composer.json b/composer.json
index c554a0fc..06033dff 100644
--- a/composer.json
+++ b/composer.json
@@ -29,17 +29,17 @@
         "ext-json": "*",
         "ext-openssl": "*",
         "ext-mcrypt": "*",
-        "symfony/config": "2.5.*",
-        "symfony/dependency-injection": "2.5.*"
+        "symfony/config": "^2.3 || ^3.0",
+        "symfony/dependency-injection": "^2.3 || ^3.0"
     },
     "require-dev": {
-        "behat/behat": "2.5.*@stable",
-        "behat/mink": "1.6.1",
-        "behat/mink-extension": "1.3.*",
+        "behat/behat": "master-dev",
+        "behat/mink": "master-dev",
+        "behat/mink-extension": "master-dev",
         "behat/mink-selenium2-driver": "1.2.0",
         "fabpot/goutte": "~1.0.4",
         "behat/mink-goutte-driver": "1.*",
-        "phpmd/phpmd": "~2.1.3",
+        "phpmd/phpmd": "master-dev",
         "phpunit/phpunit": "~4.3.1",
         "fzaninotto/faker": "~1.4.0",
         "mikey179/vfsStream": "~1.4.0",
diff --git a/src/Bitpay/DependencyInjection/services.xml b/src/Bitpay/DependencyInjection/services.xml
index a38e440d..36e81995 100644
--- a/src/Bitpay/DependencyInjection/services.xml
+++ b/src/Bitpay/DependencyInjection/services.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <!--
 /**
- * @license Copyright 2011-2014 BitPay Inc., MIT License 
+ * @license Copyright 2011-2016 BitPay Inc., MIT License
  * see https://github.com/bitpay/php-bitpay-client/blob/master/LICENSE
  */
  -->
@@ -31,7 +31,7 @@
             </call>
         </service>
 
-        <service id="key_storage" class="%key_storage.class%" public="false">
+        <service id="key_storage" class="%key_storage.class%">
             <argument>%bitpay.key_storage_password%</argument>
         </service>
 
@@ -39,11 +39,11 @@
             <argument type="service" id="key_storage" />
         </service>
 
-        <service id="public_key" class="Bitpay\PublicKey" factory-service="key_storage" factory-method="load">
+        <service id="public_key" class="Bitpay\PublicKey">
             <argument>%bitpay.public_key%</argument>
         </service>
 
-        <service id="private_key" class="Bitpay\PrivateKey" factory-service="key_storage" factory-method="load">
+        <service id="private_key" class="Bitpay\PrivateKey">
             <argument>%bitpay.private_key%</argument>
         </service>
     </services>
diff --git a/src/Bitpay/Invoice.php b/src/Bitpay/Invoice.php
index fcb18c89..a660cb42 100644
--- a/src/Bitpay/Invoice.php
+++ b/src/Bitpay/Invoice.php
@@ -151,8 +151,8 @@ public function getPrice()
      */
     public function setPrice($price)
     {
-        if (is_float($price)) {
-            $this->getItem()->setPrice($price);
+        if (is_numeric($price)) {
+            $this->getItem()->setPrice(floatval($price));
         }
 
         return $this;
@@ -438,9 +438,7 @@ public function getBtcPrice()
      */
     public function setBtcPrice($btcPrice)
     {
-        if (is_float($btcPrice)) {
-            $this->btcPrice = $btcPrice;
-        } else if (is_numeric($btcPrice)) {
+        if (is_numeric($btcPrice)) {
             $this->btcPrice = floatval($btcPrice);
         }
 
@@ -677,7 +675,7 @@ public function getBtcPaid()
      */
     public function setBtcPaid($btcPaid)
     {
-        if (is_float($btcPaid)) {
+        if (is_numeric($btcPaid)) {
             $this->btcPaid = $btcPaid;
         }
 
@@ -699,8 +697,8 @@ public function getRate()
      */
     public function setRate($rate)
     {
-        if (is_float($rate)) {
-            $this->rate = $rate;
+        if (is_numeric($rate)) {
+            $this->rate = floatval($rate);
         }
 
         return $this;