diff --git a/metadata/org.calyxinstitute.vpn.yml b/metadata/org.calyxinstitute.vpn.yml
index 32f3d07249..09fcb00299 100644
--- a/metadata/org.calyxinstitute.vpn.yml
+++ b/metadata/org.calyxinstitute.vpn.yml
@@ -122,6 +122,33 @@ Builds:
     build: ../scripts/build_deps.sh
     ndk: r21e
 
+  - versionName: 1.3.1
+    versionCode: 173000
+    commit: calyx/1.3.1
+    subdir: app
+    submodules: true
+    sudo:
+      - apt-get update
+      - apt-get install -y make g++ swig lib32stdc++6 lib32z1 autogen automake autopoint
+        libtool pkg-config po4a
+    gradle:
+      - customProductionFat
+    rm:
+      - tor-android/external/openssl/fuzz
+      - tor-android/external/openssl/boringssl/fuzz
+    prebuild:
+      - sed -i -e 's|./gradlew|gradle|' ../scripts/build_deps.sh
+      - sed -i -e '/signingConfigs.getByName/d' -e 's/isEnable\ =\ true/isEnable\
+        =\ false/' ../ics-openvpn/main/build.gradle.kts
+    scandelete:
+      - bitmaskcore/obfsvpn/mobile/android/obfsvpn-sources.jar
+      - bitmaskcore/obfsvpn/mobile/android/obfsvpn.aar
+      - bitmaskcore/IPtProxy
+      - ics-openvpn/main/src/main/cpp
+      - tor-android/external
+    build: ../scripts/build_deps.sh
+    ndk: r21e
+
 MaintainerNotes: The "build" commands are extracted from build_deps.sh.
 
 AutoUpdateMode: None