diff --git a/metadata/com.exner.tools.jkbikemechanicaldisasterprevention.yml b/metadata/com.exner.tools.jkbikemechanicaldisasterprevention.yml
index 8bc5b29885..5678acc79c 100644
--- a/metadata/com.exner.tools.jkbikemechanicaldisasterprevention.yml
+++ b/metadata/com.exner.tools.jkbikemechanicaldisasterprevention.yml
@@ -180,9 +180,41 @@ Builds:
         'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/7.json'
         'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/8.json'
 
+  - versionName: 3.1.2
+    versionCode: 14
+    commit: fea1bb4624448ca30134fcfe6c4af1865188f102
+    subdir: app
+    sudo:
+      - export CPUS_MAX=6
+      - export CPUS=$(getconf _NPROCESSORS_ONLN)
+      - for (( c=$CPUS_MAX; c<$CPUS; c++ )) ; do echo 0 > /sys/devices/system/cpu/cpu$c/online
+        ; done
+    gradle:
+      - yes
+    srclibs:
+      - reproducible-apk-tools@v0.3.0
+    postbuild:
+      - curl -Lo upstream.apk https://www.jan-exner.de/software/android/jkbikemdp/JK-Bike_Mechanical_Disaster_Prevention_release_$$VERSION$$_$$VERCODE$$.apk
+      - unzip -q upstream.apk -d apk
+      - export hash=$(sha256sum apk/assets/dexopt/baseline.prof)
+      - rm -rf apk upstream.apk
+      - for i in {1..10}; do unzip -q $$OUT$$ -d apk; sha256sum -c - <<< $hash &&
+        break; sha256sum apk/assets/dexopt/baseline.prof; rm -fr apk; gradle clean
+        assembleRelease; done
+      - $$reproducible-apk-tools$$/inplace-fix.py --page-size 16 fix-newlines $$OUT$$
+        'META-INF/services/*' 'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/1.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/2.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/3.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/4.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/5.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/6.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/7.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/8.json'
+        'assets/schemas/com.exner.tools.jkbikemechanicaldisasterprevention.database.KJsDatabase/9.json'
+
 AllowedAPKSigningKeys: 07a89b9b74e8d980673671912166ace204c2f73523cd631b933cb4f77ac4a2cf
 
 AutoUpdateMode: Version
 UpdateCheckMode: Tags
-CurrentVersion: 3.1.1
-CurrentVersionCode: 13
+CurrentVersion: 3.1.2
+CurrentVersionCode: 14