diff --git a/app/build.gradle b/app/build.gradle
index bc7d56c1c..35c801701 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,7 +32,10 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        freeCompilerArgs += [
+                '-Xjvm-default', 'all'
+        ]
     }
 
     buildFeatures {
@@ -49,6 +52,6 @@ dependencies {
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.kyleduo.switchbutton:library:2.0.0'
-    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+    implementation 'androidx.recyclerview:recyclerview:1.2.1'
     implementation "androidx.swiperefreshlayout:swiperefreshlayout:1.1.0"
 }
diff --git a/library/build.gradle b/library/build.gradle
index c59154eeb..303e97778 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -23,6 +23,13 @@ android {
     compileOptions {
         kotlinOptions.freeCompilerArgs += ['-module-name', "com.github.CymChad.brvah"]
     }
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        freeCompilerArgs += [
+                '-Xjvm-default', 'all'
+        ]
+    }
+
 
     lintOptions {
         abortOnError false