diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 581445d4..aee3faa1 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -74,8 +74,8 @@ android {
 
     lint {
         disable += "MissingTranslation"
-        isAbortOnError = true
-        isCheckReleaseBuilds = false
+        abortOnError = true
+        checkReleaseBuilds = false
     }
 
     packagingOptions {
@@ -189,7 +189,7 @@ dependencies {
     implementation("dev.rikka.rikkax.appcompat:appcompat:1.2.0-rc01")
     implementation("dev.rikka.rikkax.core:core:1.3.2")
     implementation("dev.rikka.rikkax.insets:insets:1.1.0")
-    implementation("dev.rikka.rikkax.material:material:1.6.5")
+    implementation("dev.rikka.rikkax.material:material:1.6.6")
     implementation("dev.rikka.rikkax.preference:simplemenu-preference:1.0.3")
     implementation("dev.rikka.rikkax.recyclerview:recyclerview-ktx:1.2.2")
     implementation("dev.rikka.rikkax.widget:borderview:1.0.1")
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 9d93b13f..1a31a95c 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -17,13 +17,17 @@
     void onWindowLayoutChanged(...);
 }
 
+-keepclasseswithmembers class org.lsposed.manager.repo.model.* {
+    private java.util.List *;
+}
+
 -repackageclasses
 -allowaccessmodification
 -overloadaggressively
 
 # Gson uses generic type information stored in a class file when working with fields. Proguard
 # removes such information by default, so configure it to keep all of it.
--keepattributes Signature,InnerClasses
+-keepattributes Signature,InnerClasses,EnclosingMethod
 
 -dontwarn org.jetbrains.annotations.NotNull
 -dontwarn org.jetbrains.annotations.Nullable
diff --git a/build.gradle.kts b/build.gradle.kts
index 0acc0cc0..4fa5a9a2 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -25,7 +25,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:7.0.1")
+        classpath("com.android.tools.build:gradle:7.1.0-alpha09")
         classpath("org.eclipse.jgit:org.eclipse.jgit:5.12.0.202106070339-r")
         classpath("androidx.navigation:navigation-safe-args-gradle-plugin:2.3.5")
     }
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index 50e1e138..46823742 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -97,8 +97,8 @@ android {
     }
 
     lint {
-        isAbortOnError = false
-        isCheckReleaseBuilds = false
+        abortOnError = true
+        checkReleaseBuilds = false
     }
 
     buildTypes {
diff --git a/gradle.properties b/gradle.properties
index b6e97bba..cbbefa79 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,6 +10,9 @@
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
+android.experimental.enableNewResourceShrinker=true
+android.experimental.enableNewResourceShrinker.preciseShrinking=true
 android.enableAppCompileTimeRClass=true
 android.nonTransitiveRClass=true
+android.enableR8.fullMode=true
 android.useAndroidX=true