diff --git a/facerecognition/build.gradle b/facerecognition/build.gradle
index 1963b8f..1ec0f23 100644
--- a/facerecognition/build.gradle
+++ b/facerecognition/build.gradle
@@ -1,32 +1,36 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 22
-    buildToolsVersion "25.0.0"
+    compileSdkVersion 30 // Update to a more recent version
+    buildToolsVersion "30.0.3" // Update to a compatible version
 
     defaultConfig {
         applicationId "cultoftheunicorn.marvel"
-        minSdkVersion 15
-        targetSdkVersion 22
+        minSdkVersion 16 // Update if possible, 15 is quite old
+        targetSdkVersion 30 // Update to match compileSdkVersion
+        versionCode 1
+        versionName "1.0"
     }
 
     buildTypes {
         release {
             minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.txt'
         }
     }
 }
 
 dependencies {
-    compile project(':openCVLibrary2410')
-    compile files('libs/javacpp.jar')
-    compile files('libs/javacv.jar')
-    compile 'com.android.support:appcompat-v7:22.2.0'
-    compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha9'
-    compile 'com.android.support:recyclerview-v7:22.2.0'
-//    compile 'com.google.firebase:firebase-database:10.0.1'
-}
+    implementation project(':openCVLibrary2410') // Change 'compile' to 'implementation'
+    implementation files('libs/javacpp.jar')
+    implementation files('libs/javacv.jar')
+    implementation 'com.android.support:appcompat-v7:28.0.0' // Update to the latest support library
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4' // Use AndroidX
+    implementation 'androidx.recyclerview:recyclerview:1.1.0' // Use AndroidX
 
+    // Uncomment and update Firebase dependency if needed
+    // implementation 'com.google.firebase:firebase-database:19.7.0' // Update to latest version
+}
 
-//apply plugin: 'com.google.gms.google-services'
\ No newline at end of file
+// Uncomment if you're using Google Services
+// apply plugin: 'com.google.gms.google-services'