Updated gradle

app/build.gradle

@@ -23,7 +23,7 @@ android {
             }
         }
 
-        //ndkVersion "21.0.6113669"
+        ndkVersion "21.4.7075529"
         ndk {
             // https://developer.android.com/ndk/guides/abis.html#sa
             abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86', 'x86_64'
@@ -76,6 +76,11 @@ android {
             buildConfigField "String", "GITHUB_LATEST_API", "\"https://api.github.com/repos/M66B/NetGuard/releases/latest\""
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
 }
 
 dependencies {

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         // http://tools.android.com/tech-docs/new-build-system/gradle-experimental
         // https://bintray.com/android/android-tools/com.android.tools.build.gradle-experimental/view
         // https://bintray.com/android/android-tools/com.google.gms.google-services/view
-        classpath 'com.android.tools.build:gradle:4.1.2'
+        classpath 'com.android.tools.build:gradle:4.2.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip