diff --git a/metadata/eu.pretix.pretixscan.droid.yml b/metadata/eu.pretix.pretixscan.droid.yml
index ebc4c6364a..a053656e1d 100644
--- a/metadata/eu.pretix.pretixscan.droid.yml
+++ b/metadata/eu.pretix.pretixscan.droid.yml
@@ -1099,44 +1099,37 @@ Builds:
     subdir: pretixscan/app
     submodules: true
     sudo:
-      - echo "deb https://deb.debian.org/debian sid main" > /etc/apt/sources.list.d/sid.list
-      - echo "deb https://deb.debian.org/debian bullseye main" > /etc/apt/sources.list.d/bullseye.list
       - apt-get update
       - apt-get install -y file make maven
-      - apt-get install -y -t sid openjdk-8-jdk-headless
-      - apt-get install -y -t bullseye openjdk-11-jdk-headless
     gradle:
       - pretix
     srclibs:
-      - eu-dcc-business-rules@v0.11.2-kotlin
       - pretix-uvccamera@ad0ee922357254fddb9c92739de336df4f42dd9a
       - saki4510t-libcommon@2.12.4
     prebuild:
       - sed -i -e '/foojay/d' ../settings.gradle
       - sed -i -e '/repositories {/a mavenLocal()' ../build.gradle
-      - sed -i -e "s/ implementation(project(':android-libuvccamera',))/('com.github.raphaelm.UVCCamera:libuvccamera:ad0ee92235')
-        {exclude group:'com.serenegiant',module:'common'}/" -e "s/ implementation(project(':android-libusbcameracommon',))/('com.github.raphaelm.UVCCamera:usbCameraCommon:53d043fea2')
-        {exclude group:'com.serenegiant',module:'common'}/" -e '/repositories {/a
-        mavenLocal()' ../libpretixui-repo/libpretixui-android/build.gradle
+      - sed -i -e '/languageVersion/d' ../libpretixsync-repo/libpretixsync/build.gradle
+      - sed -i -e '/repositories {/a mavenLocal()' ../libpretixui-repo/libpretixui-android/build.gradle
       - sed -i -e '/saki4510t/d' -e '/repositories {/a mavenLocal()' $$pretix-uvccamera$$/build.gradle
+      - sed -i -e '/dependencies {/a implementation "androidx.appcompat:appcompat:1.7.1"'
+        $$pretix-uvccamera$$/libuvccamera/build.gradle
       - cp ../../local.properties $$pretix-uvccamera$$/
+      - sed -i -e 's/-XX:MaxPermSize=512m//' $$saki4510t-libcommon$$/gradle.properties
+      - sed -i -e 's/4.4/7.3.3/' $$saki4510t-libcommon$$/gradle/wrapper/gradle-wrapper.properties
+      - sed -i -e 's/3.1.4/7.2.2/' $$saki4510t-libcommon$$/build.gradle
+      - sed -i -e "/'maven'/,\$c apply plugin:'maven-publish'\nafterEvaluate {publishing
+        {publications {release(MavenPublication) {groupId = 'com.serenegiant'\nartifactId
+        = 'common'\nversion = '2.12.4'\nfrom components.release}}}}" $$saki4510t-libcommon$$/common/build.gradle
     scandelete:
       - pretixscan/libpretixui-repo
     build:
-      - export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
       - pushd $$saki4510t-libcommon$$/common
-      - gradle uploadArchives
+      - gradle assembleRelease
+      - gradle publishToMavenLocal
       - popd
       - cp $$saki4510t-libcommon$$/common/build/outputs/aar/common-release.aar ../libpretixui-repo/android-libserenegiantcommon/common.aar
-      - mkdir -p ~/.m2/repository/com/serenegiant/common/2.12.4
-      - cp $$saki4510t-libcommon$$/common/build/intermediates/packaged-classes/release/classes.jar
-        ~/.m2/repository/com/serenegiant/common/2.12.4/common-2.12.4.jar
-      - cp $$saki4510t-libcommon$$/common/build/outputs/aar/common-release.aar ~/.m2/repository/com/serenegiant/common/2.12.4/common-2.12.4.aar
-      - cp $$saki4510t-libcommon$$/repository/com/serenegiant/common/2.12.4/common-2.12.4.pom
-        ~/.m2/repository/com/serenegiant/common/2.12.4/
-      - export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64
-      - pushd $$pretix-uvccamera$$
-      - cd libuvccamera
+      - pushd $$pretix-uvccamera$$/libuvccamera
       - gradle assembleRelease
       - cd ../usbCameraCommon
       - gradle assembleRelease
@@ -1145,20 +1138,9 @@ Builds:
         ../libpretixui-repo/android-libuvccamera/libuvccamera.aar
       - cp $$pretix-uvccamera$$/usbCameraCommon/build/outputs/aar/usbCameraCommon-release.aar
         ../libpretixui-repo/android-libusbcameracommon/usbCameraCommon.aar
-      - pushd $$eu-dcc-business-rules$$/certlogic/certlogic-kotlin
-      - mvn clean install
-      - popd
-      - pushd ~/.m2/repository/eu/ehn/dcc/certlogic/certlogic-kotlin
-      - sed -i -e 's/latest/v0.11.2-kotlin/g' maven-metadata-local.xml
-      - mv latest v0.11.2-kotlin
-      - cd v0.11.2-kotlin
-      - sed -i -e 's/latest/v0.11.2-kotlin/g' certlogic-kotlin-latest.pom
-      - mv certlogic-kotlin-latest.pom certlogic-kotlin-v0.11.2-kotlin.pom
-      - mv certlogic-kotlin-latest.jar certlogic-kotlin-v0.11.2-kotlin.jar
-      - popd
-    ndk: 25.2.9519653
+    ndk: r25c
 
-AutoUpdateMode: None
+AutoUpdateMode: Version
 UpdateCheckMode: Tags
 CurrentVersion: 2.10.3
 CurrentVersionCode: 99