diff --git a/.circleci/config.yml b/.circleci/config.yml
index af3c81c..b5a8652 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -121,8 +121,8 @@ jobs:
 
   build-ios-demo-app:
     macos:
-      xcode: 16.2.0
-    resource_class: macos.m1.large.gen1
+      xcode: 16.4.0
+    resource_class: m4pro.medium
     working_directory: /Users/distiller/project
 
     steps:
@@ -170,7 +170,7 @@ jobs:
             cd /Users/distiller/project/DemoApp
             yarn react-native bundle --entry-file index.js --platform ios --dev false --bundle-output ios/main.jsbundle --assets-dest ios
             cd ios
-            xcodebuild -workspace DemoApp.xcworkspace -scheme DemoAppUITests -destination 'platform=iOS Simulator,name=iPhone 16 Pro,OS=18.2' -configuration Debug test
+            xcodebuild -workspace DemoApp.xcworkspace -scheme DemoAppUITests -destination 'platform=iOS Simulator,name=iPhone 16 Pro,OS=18.5' -configuration Debug test
 
 workflows:
   version: 2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac70463..14fc9ba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@ All notable changes to this project will be documented in this file. To know bet
 ## [3.1.2]
 
 - Updated the underlying iOS SDK to version [4.1.1](https://docs.truelayer.com/docs/ios-sdk-release-history).
+- Updated the underlying Android SDK to version [4.1.4](https://docs.truelayer.com/docs/android-sdk-release-history).
 
 ## [3.1.1]
 
diff --git a/RNTrueLayerPaymentsSDK/android/build.gradle b/RNTrueLayerPaymentsSDK/android/build.gradle
index 85464df..b81cb04 100644
--- a/RNTrueLayerPaymentsSDK/android/build.gradle
+++ b/RNTrueLayerPaymentsSDK/android/build.gradle
@@ -67,5 +67,5 @@ repositories {
 
 dependencies {
   implementation 'com.facebook.react:react-native:+'
-  implementation 'com.truelayer.payments:ui:4.1.2'
+  implementation 'com.truelayer.payments:ui:4.1.4'
 }
diff --git a/RNTrueLayerPaymentsSDK/js/TrueLayerPaymentsSDKWrapper.ts b/RNTrueLayerPaymentsSDK/js/TrueLayerPaymentsSDKWrapper.ts
index feaaaf8..60c0fa2 100644
--- a/RNTrueLayerPaymentsSDK/js/TrueLayerPaymentsSDKWrapper.ts
+++ b/RNTrueLayerPaymentsSDK/js/TrueLayerPaymentsSDKWrapper.ts
@@ -30,7 +30,7 @@ export abstract class TrueLayerPaymentsSDKWrapper {
     environment: Environment = Environment.Production,
     theme?: Theme
   ): Promise<void> {
-    return RNTrueLayerPaymentsSDK!!._configure(environment, theme);
+    return RNTrueLayerPaymentsSDK!!._configure(environment, theme ?? {});
   }
 
   /**