diff --git a/.drone.yml b/.drone.yml
index 4f33e4cd6..45b6b5ae6 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,7 +4,7 @@ name: generic
 
 steps:
   - name: generic
-    image: nextcloudci/android:android-44
+    image: ghcr.io/nextcloud/continuous-integration-android8:2
     commands:
       - ./gradlew --console=plain assembleGeneric
 
@@ -22,7 +22,7 @@ name: gplay
 
 steps:
   - name: gplay
-    image: nextcloudci/android:android-44
+    image: ghcr.io/nextcloud/continuous-integration-android8:2
     commands:
       - ./gradlew --console=plain assembleGplay
 
@@ -40,7 +40,7 @@ name: tests
 
 steps:
   - name: all
-    image: nextcloudci/android:android-49
+    image: ghcr.io/nextcloud/continuous-integration-android8:2
     privileged: true
     commands:
       - emulator-headless -avd android-27 -no-snapshot -gpu swiftshader_indirect -no-window -no-audio -skin 500x833 &
@@ -80,7 +80,7 @@ name: analysis
 
 steps:
   - name: analysis
-    image: nextcloudci/android:android-44
+    image: ghcr.io/nextcloud/continuous-integration-android8:2
     environment:
       GIT_USERNAME:
         from_secret: GIT_USERNAME
diff --git a/.github/workflows/assembleFlavors.yml b/.github/workflows/assembleFlavors.yml
index 4c5fd592f..cb975d7ac 100644
--- a/.github/workflows/assembleFlavors.yml
+++ b/.github/workflows/assembleFlavors.yml
@@ -13,11 +13,11 @@ jobs:
         flavor: [ Generic, Gplay ]
     steps:
       -   uses: actions/checkout@v3
-      -   name: set up JDK 8
+      -   name: set up JDK 11
           uses: actions/setup-java@v3
           with:
             distribution: "temurin"
-            java-version: 8.0
+            java-version: 11
       -   name: Build ${{ matrix.flavor }}
           run: |
             echo "org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError" >> gradle.properties
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index c724b0cfd..0f1e10a78 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -13,10 +13,10 @@ jobs:
                 task: [ detekt, ktlintCheck ]
         steps:
             -   uses: actions/checkout@v3
-            -   name: Set up JDK 8
+            -   name: Set up JDK 11
                 uses: actions/setup-java@v3
                 with:
                     distribution: "temurin"
-                    java-version: 8.0
+                    java-version: 11
             -   name: Check ${{ matrix.task }}
                 run: ./gradlew ${{ matrix.task }}
diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
index 4acfd94e9..b8c028da5 100644
--- a/.github/workflows/qa.yml
+++ b/.github/workflows/qa.yml
@@ -13,12 +13,12 @@ jobs:
                 id: check-secrets
             -   uses: actions/checkout@v3
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
-            -   name: set up JDK 8
+            -   name: set up JDK 11
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
                 uses: actions/setup-java@v3
                 with:
                     distribution: "temurin"
-                    java-version: 8.0
+                    java-version: 11
             -   name: Build QA
                 if: ${{ steps.check-secrets.outputs.ok == 'true' }}
                 env:
diff --git a/app/build.gradle b/app/build.gradle
index 86d64a56d..1af0b66d4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -36,7 +36,7 @@ apply plugin: "org.jlleitschuh.gradle.ktlint"
 
 android {
     compileSdkVersion 30
-    buildToolsVersion '30.0.3'
+    buildToolsVersion '32.0.0'
     defaultConfig {
         minSdkVersion 21
         targetSdkVersion 30
@@ -85,26 +85,26 @@ android {
         testInstrumentationRunnerArgument "TEST_SERVER_PASSWORD", "${NC_TEST_SERVER_PASSWORD}"
     }
 
-    dexOptions {
-        javaMaxHeapSize "4g"
-    }
-
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
-
     packagingOptions {
-        exclude 'META-INF/LICENSE.txt'
-        exclude 'META-INF/LICENSE'
-        exclude 'META-INF/NOTICE.txt'
-        exclude 'META-INF/NOTICE'
-        exclude 'META-INF/DEPENDENCIES'
-        exclude 'META-INF/rxjava.properties'
+        resources {
+            excludes += [
+                'META-INF/LICENSE.txt',
+                'META-INF/LICENSE',
+                'META-INF/NOTICE.txt',
+                'META-INF/NOTICE',
+                'META-INF/DEPENDENCIES',
+                'META-INF/rxjava.properties'
+            ]
+        }
     }
 
+
     android.applicationVariants.all { variant ->
         String variantName = variant.name
         String capVariantName = variantName.substring(0, 1).toUpperCase(Locale.ROOT) + variantName.substring(1)
@@ -132,16 +132,16 @@ android {
         targetCompatibility JavaVersion.VERSION_1_8
     }
 
-    lintOptions {
-        abortOnError false
-        htmlReport true
-        htmlOutput file("$project.buildDir/reports/lint/lint.html")
-        disable 'MissingTranslation'
-    }
 
     buildFeatures {
         viewBinding true
     }
+    lint {
+        abortOnError false
+        disable 'MissingTranslation'
+        htmlOutput file("$project.buildDir/reports/lint/lint.html")
+        htmlReport true
+    }
 }
 
 ext {
@@ -236,7 +236,7 @@ dependencies {
     kapt "com.jakewharton:butterknife-compiler:${butterknifeVersion}"
     implementation 'eu.davidea:flexible-adapter:5.1.0'
     implementation 'eu.davidea:flexible-adapter-ui:1.0.0'
-    implementation fileTree(downloadWebRtc.getOutputPath())
+    implementation fileTree(downloadWebRtc.libFile.path)
     implementation 'com.yarolegovich:lovely-dialog:1.1.1'
     implementation 'com.yarolegovich:mp:1.1.6'
     implementation 'me.zhanghai.android.effortlesspermissions:library:1.1.0'
diff --git a/app/src/main/java/com/nextcloud/talk/activities/TakePhotoActivity.java b/app/src/main/java/com/nextcloud/talk/activities/TakePhotoActivity.java
index b68e0dfd9..84b2e2262 100644
--- a/app/src/main/java/com/nextcloud/talk/activities/TakePhotoActivity.java
+++ b/app/src/main/java/com/nextcloud/talk/activities/TakePhotoActivity.java
@@ -54,8 +54,8 @@ import java.util.concurrent.ExecutionException;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.OptIn;
 import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.content.res.AppCompatResources;
 import androidx.camera.camera2.interop.Camera2Interop;
 import androidx.camera.core.AspectRatio;
 import androidx.camera.core.Camera;
@@ -360,6 +360,7 @@ public class TakePhotoActivity extends AppCompatActivity {
         return rotate;
     }
 
+    @OptIn(markerClass = androidx.camera.camera2.interop.ExperimentalCamera2Interop.class)
     private Preview getPreview(boolean crop) {
         Preview.Builder previewBuilder = new Preview.Builder()
             .setTargetAspectRatio(crop ? AspectRatio.RATIO_16_9 : AspectRatio.RATIO_4_3);
diff --git a/app/src/main/java/com/nextcloud/talk/webrtc/MagicProximitySensor.java b/app/src/main/java/com/nextcloud/talk/webrtc/MagicProximitySensor.java
index 364820e06..d91908ce8 100644
--- a/app/src/main/java/com/nextcloud/talk/webrtc/MagicProximitySensor.java
+++ b/app/src/main/java/com/nextcloud/talk/webrtc/MagicProximitySensor.java
@@ -170,14 +170,11 @@ public class MagicProximitySensor implements SensorEventListener {
                 .append(", resolution: ").append(proximitySensor.getResolution())
                 .append(", max range: ").append(proximitySensor.getMaximumRange())
                 .append(", min delay: ").append(proximitySensor.getMinDelay());
-        // Added in API level 20.
         info.append(", type: ").append(proximitySensor.getStringType());
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
-            // Added in API level 21.
-            info.append(", max delay: ").append(proximitySensor.getMaxDelay())
-                    .append(", reporting mode: ").append(proximitySensor.getReportingMode())
-                    .append(", isWakeUpSensor: ").append(proximitySensor.isWakeUpSensor());
-        }
+        info.append(", max delay: ").append(proximitySensor.getMaxDelay())
+            .append(", reporting mode: ").append(proximitySensor.getReportingMode())
+            .append(", isWakeUpSensor: ").append(proximitySensor.isWakeUpSensor());
+
         Log.d(TAG, info.toString());
     }
 }
diff --git a/build.gradle b/build.gradle
index 1198b1522..62bcbc01f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -34,7 +34,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
+        classpath 'com.android.tools.build:gradle:7.2.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlinVersion}"
         classpath 'gradle.plugin.com.github.spotbugs.snom:spotbugs-gradle-plugin:4.7.5'
         classpath "io.gitlab.arturbosch.detekt:detekt-gradle-plugin:1.19.0"
diff --git a/buildSrc/src/main/groovy/com/nextcloud/talk/gradle/DownloadWebRtcTask.groovy b/buildSrc/src/main/groovy/com/nextcloud/talk/gradle/DownloadWebRtcTask.groovy
index 36d69f1d1..b581678d5 100644
--- a/buildSrc/src/main/groovy/com/nextcloud/talk/gradle/DownloadWebRtcTask.groovy
+++ b/buildSrc/src/main/groovy/com/nextcloud/talk/gradle/DownloadWebRtcTask.groovy
@@ -48,7 +48,7 @@ abstract class DownloadWebRtcTask extends DefaultTask {
         return "https://github.com/nextcloud-releases/talk-clients-webrtc/releases/download/${webRtcVersion}-RC1/${getFileName()}"
     }
 
-    String getOutputPath() {
+    private String getOutputPath() {
         return "${project.buildDir}/download/${getFileName()}"
     }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 0da862568..d793ae032 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/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-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
diff --git a/scripts/analysis/findbugs-results.txt b/scripts/analysis/findbugs-results.txt
index a14c1ee5a..cde50ca2f 100644
--- a/scripts/analysis/findbugs-results.txt
+++ b/scripts/analysis/findbugs-results.txt
@@ -1 +1 @@
-180
\ No newline at end of file
+179
\ No newline at end of file
diff --git a/scripts/analysis/lint-results.txt b/scripts/analysis/lint-results.txt
index d63b4d48a..7eea77ad5 100644
--- a/scripts/analysis/lint-results.txt
+++ b/scripts/analysis/lint-results.txt
@@ -1,2 +1,2 @@
 DO NOT TOUCH; GENERATED BY DRONE
-      <span class="mdl-layout-title">Lint Report: 1 error and 104 warnings</span>
+      <span class="mdl-layout-title">Lint Report: 2 error and 130 warnings</span>