diff --git a/CHANGELOG.md b/CHANGELOG.md
index 043e29a..dbcd31e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [3.1.8]
+- Updated `APIResponse.xsd` to include `DeviceInfo` and `GeolocationInfo`
+
 ## [3.1.7]
 - Added `DeviceInfo` and `GeolocationInfo` to `CustomerInfo` for enhanced customer data in API requests
 
diff --git a/build.gradle b/build.gradle
index a664723..e8b6cfb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ plugins {
 }
 
 group = 'com.altapay'
-version = '3.1.7'
+version = '3.1.8'
 
 repositories {
     mavenCentral()
diff --git a/readme.md b/readme.md
index 00ba211..60df22b 100644
--- a/readme.md
+++ b/readme.md
@@ -49,12 +49,12 @@ For integrating Java projects with the AltaPay gateway.
     <dependency>
         <groupId>com.altapay</groupId>
         <artifactId>sdk-java</artifactId>
-        <version>3.1.7</version>
+        <version>3.1.8</version>
     </dependency>
 
 ### Gradle
 
-    implementation 'com.altapay:sdk-java:3.1.7'
+    implementation 'com.altapay:sdk-java:3.1.8'
 
 ## Changelog
 
diff --git a/src/main/resources/xsd/APIResponse.xsd b/src/main/resources/xsd/APIResponse.xsd
index 47f2f31..a6e6fda 100644
--- a/src/main/resources/xsd/APIResponse.xsd
+++ b/src/main/resources/xsd/APIResponse.xsd
@@ -721,6 +721,28 @@
             <xs:element name="BillingAddress" type="CustomerInfoAddress" maxOccurs="1" minOccurs="0"/>
             <xs:element name="ShippingAddress" type="CustomerInfoAddress" maxOccurs="1" minOccurs="0"/>
             <xs:element name="RegisteredAddress" type="CustomerInfoAddress" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="DeviceInfo" type="DeviceInfo" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="GeolocationInfo" type="GeolocationInfo" maxOccurs="1" minOccurs="0"/>
+        </xs:all>
+    </xs:complexType>
+
+    <xs:complexType name="DeviceInfo">
+        <xs:all>
+            <xs:element name="DeviceId" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="DeviceType" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="OperatingSystem" type="xs:string" maxOccurs="1" minOccurs="0"/>
+        </xs:all>
+    </xs:complexType>
+
+    <xs:complexType name="GeolocationInfo">
+        <xs:all>
+            <xs:element name="CountryCode" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="CountryName" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="State" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="City" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="ZipCode" type="xs:string" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="Latitude" type="xs:double" maxOccurs="1" minOccurs="0"/>
+            <xs:element name="Longitude" type="xs:double" maxOccurs="1" minOccurs="0"/>
         </xs:all>
     </xs:complexType>