diff --git a/lib/Checkout/CheckoutUtils.php b/lib/Checkout/CheckoutUtils.php
index 70acbe4..12b4e67 100644
--- a/lib/Checkout/CheckoutUtils.php
+++ b/lib/Checkout/CheckoutUtils.php
@@ -9,7 +9,7 @@ class CheckoutUtils
 {
 
     const PROJECT_NAME = "checkout-sdk-php";
-    const PROJECT_VERSION = "3.0.21";
+    const PROJECT_VERSION = "3.1.0";
 
     /**
      * @param DateTime $date
diff --git a/version.json b/version.json
index 5ae7fd6..f1745a8 100644
--- a/version.json
+++ b/version.json
@@ -1,3 +1,3 @@
 {
-    "version": "3.0.21"
+    "version": "3.1.0"
 }