diff --git a/.github/workflows/android-sample.yml b/.github/workflows/android-sample.yml
index 63e924837..e68c43ce7 100644
--- a/.github/workflows/android-sample.yml
+++ b/.github/workflows/android-sample.yml
@@ -9,10 +9,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v1
-    - name: set up JDK 1.8
+    - name: set up JDK
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 11
     - name: Compute build cache
       run: ./scripts/checksum-android.sh checksum-android.txt
     - uses: actions/cache@v2
diff --git a/.github/workflows/publish-android.yml b/.github/workflows/publish-android.yml
index d588cc172..69f59297a 100644
--- a/.github/workflows/publish-android.yml
+++ b/.github/workflows/publish-android.yml
@@ -18,10 +18,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: set up JDK 1.8
+    - name: set up JDK
       uses: actions/setup-java@v1
       with:
-        java-version: 1.8
+        java-version: 11
     - name: Write GPG Sec Ring
       run: echo '${{ secrets.GPG_KEY_CONTENTS }}' | base64 -d > /tmp/secring.gpg
     - name: Update gradle.properties
diff --git a/android/sample/AndroidManifest.xml b/android/sample/AndroidManifest.xml
index b926b0727..8d7ca76a4 100644
--- a/android/sample/AndroidManifest.xml
+++ b/android/sample/AndroidManifest.xml
@@ -8,9 +8,9 @@
   -->
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-          package="com.facebook.flipper.sample">
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.facebook.flipper.sample">
   <uses-permission android:name="android.permission.INTERNET" />
-  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
   <application
       android:name=".FlipperSampleApplication"
@@ -18,8 +18,10 @@
       android:icon="@drawable/ic_launcher"
       android:allowBackup="false"
       android:theme="@style/NoTitleBarWhiteBG"
-      android:debuggable="true">
-    <activity android:name=".MainActivity">
+      android:debuggable="true"
+      tools:ignore="HardcodedDebugMode">
+    <activity android:name=".MainActivity"
+        android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
         <category android:name="android.intent.category.LAUNCHER"/>
@@ -31,7 +33,8 @@
         <data android:scheme="flipper" android:host="demo_page" />
       </intent-filter>
     </activity>
-    <activity android:name=".DeepLinkActivity">
+    <activity android:name=".DeepLinkActivity"
+        android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
@@ -39,7 +42,8 @@
         <data android:scheme="flipper" android:host="deep_link_activity" />
       </intent-filter>
     </activity>
-    <activity android:name=".LayoutTestActivity">
+    <activity android:name=".LayoutTestActivity"
+        android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
@@ -47,7 +51,8 @@
         <data android:scheme="flipper" android:host="layout_test_activity" />
       </intent-filter>
     </activity>
-    <activity android:name=".FragmentTestActivity">
+    <activity android:name=".FragmentTestActivity"
+        android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.VIEW" />
         <category android:name="android.intent.category.DEFAULT" />
diff --git a/android/sample/build.gradle b/android/sample/build.gradle
index d89bead4c..735d88bae 100644
--- a/android/sample/build.gradle
+++ b/android/sample/build.gradle
@@ -72,6 +72,5 @@ dependencies {
     debugImplementation project(':fresco-plugin')
     debugImplementation project(':network-plugin')
     debugImplementation project(':litho-plugin')
-    debugImplementation project(':leakcanary-plugin')
     releaseImplementation project(':noop')
 }
diff --git a/android/sample/src/debug/java/com/facebook/flipper/sample/FlipperInitializer.java b/android/sample/src/debug/java/com/facebook/flipper/sample/FlipperInitializer.java
index f5aa77c9f..30dca8acf 100644
--- a/android/sample/src/debug/java/com/facebook/flipper/sample/FlipperInitializer.java
+++ b/android/sample/src/debug/java/com/facebook/flipper/sample/FlipperInitializer.java
@@ -15,7 +15,6 @@ import com.facebook.flipper.plugins.example.ExampleFlipperPlugin;
 import com.facebook.flipper.plugins.fresco.FrescoFlipperPlugin;
 import com.facebook.flipper.plugins.inspector.DescriptorMapping;
 import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin;
-import com.facebook.flipper.plugins.leakcanary.LeakCanaryFlipperPlugin;
 import com.facebook.flipper.plugins.navigation.NavigationFlipperPlugin;
 import com.facebook.flipper.plugins.network.FlipperOkhttpInterceptor;
 import com.facebook.flipper.plugins.network.NetworkFlipperPlugin;
@@ -50,7 +49,6 @@ public final class FlipperInitializer {
             Arrays.asList(
                 new SharedPreferencesDescriptor("sample", Context.MODE_PRIVATE),
                 new SharedPreferencesDescriptor("other_sample", Context.MODE_PRIVATE))));
-    client.addPlugin(new LeakCanaryFlipperPlugin());
     client.addPlugin(new FrescoFlipperPlugin());
     client.addPlugin(new ExampleFlipperPlugin());
     client.addPlugin(CrashReporterPlugin.getInstance());
diff --git a/android/tutorial/build.gradle b/android/tutorial/build.gradle
index 9be94eee2..8ea6c7bc9 100644
--- a/android/tutorial/build.gradle
+++ b/android/tutorial/build.gradle
@@ -39,9 +39,9 @@ android {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.32"
-    implementation "androidx.appcompat:appcompat:1.3.1"
-    implementation "androidx.core:core-ktx:1.5.0"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$KOTLIN_VERSION"
+    implementation "androidx.appcompat:appcompat:1.4.0"
+    implementation "androidx.core:core-ktx:1.7.0"
 
     // Flipper
     // For simplicity, we use Flipper for both debug and release builds here.
@@ -50,7 +50,6 @@ dependencies {
     implementation project(':fresco-plugin')
     implementation project(':network-plugin')
     implementation project(':litho-plugin')
-    implementation project(':leakcanary-plugin')
     implementation deps.soloader
 
     // Litho
diff --git a/android/tutorial/src/main/AndroidManifest.xml b/android/tutorial/src/main/AndroidManifest.xml
index e44a34eb1..0f5036af9 100644
--- a/android/tutorial/src/main/AndroidManifest.xml
+++ b/android/tutorial/src/main/AndroidManifest.xml
@@ -14,12 +14,14 @@
     <application
         android:name=".TutorialApplication"
         android:allowBackup="true"
+        android:fullBackupOnly="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".MainActivity">
+        <activity android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
diff --git a/android/tutorial/src/main/java/com/facebook/flipper/sample/tutorial/ui/SingleImageComponentSpec.kt b/android/tutorial/src/main/java/com/facebook/flipper/sample/tutorial/ui/SingleImageComponentSpec.kt
index 5b828377c..74ad55f03 100644
--- a/android/tutorial/src/main/java/com/facebook/flipper/sample/tutorial/ui/SingleImageComponentSpec.kt
+++ b/android/tutorial/src/main/java/com/facebook/flipper/sample/tutorial/ui/SingleImageComponentSpec.kt
@@ -20,7 +20,7 @@ import com.facebook.litho.fresco.FrescoImage
 @LayoutSpec
 object SingleImageComponentSpec {
 
-  @PropDefault val imageAspectRatio = 1f
+  @get:PropDefault val imageAspectRatio = 1f
 
   @OnCreateLayout
   fun onCreateLayout(
diff --git a/build.gradle b/build.gradle
index cb11009fa..0d8cf5383 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,7 +11,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.2'
+        classpath 'com.android.tools.build:gradle:7.0.3'
         classpath 'com.vanniktech:gradle-maven-publish-plugin:0.18.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$KOTLIN_VERSION"
         classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.5.31"
@@ -31,7 +31,6 @@ subprojects {
         google()
         mavenLocal()
         mavenCentral()
-        jcenter()
 
         if (isSnapshot()) {
             maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
@@ -46,8 +45,8 @@ subprojects {
 
 ext {
     minSdkVersion = 15
-    targetSdkVersion = 30
-    compileSdkVersion = 30
+    targetSdkVersion = 31
+    compileSdkVersion = 31
     buildToolsVersion = '30.0.2'
     ndkVersion = '23.0.7599858'
 }
diff --git a/gradle.properties b/gradle.properties
index dc6fefced..f33ecc497 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -19,9 +19,9 @@ POM_DEVELOPER_NAME=facebook
 POM_ISSUES_URL=https://github.com/facebook/flipper/issues/
 
 # Shared version numbers
-LITHO_VERSION=0.39.0
+LITHO_VERSION=0.41.1
 ANDROIDX_VERSION=1.3.0
-KOTLIN_VERSION=1.3.72
+KOTLIN_VERSION=1.6.0
 
 # Gradle internals
 org.gradle.internal.repository.max.retries=10