diff --git a/metadata/com.artifex.mupdf.viewer.app.txt b/metadata/com.artifex.mupdf.viewer.app.txt
index c0c09b945b..e8e4b89fef 100644
--- a/metadata/com.artifex.mupdf.viewer.app.txt
+++ b/metadata/com.artifex.mupdf.viewer.app.txt
@@ -29,6 +29,19 @@ Build:1.12.0,20
     scandelete=jni/libmupdf/thirdparty,jni/libmupdf/build/release/scripts
     ndk=r16b
 
+Build:1.13.0,30
+    commit=1.13.0
+    subdir=app
+    submodules=yes
+    gradle=yes
+    prebuild=sed -i -e '/maven.ghostscript.com/d' ../build.gradle && \
+        sed -i -e 's/enable true/enable false/' build.gradle && \
+        sed -i -e "s/'-j4'/'-j`nproc`'/" ../jni/build.gradle && \
+        sed -i -e "/Uncomment/a\		ndk.abiFilters 'armeabi-v7a', 'arm64-v8a', 'x86'" ../jni/build.gradle && \
+        make -C ../jni/libmupdf generate
+    scandelete=jni/libmupdf/thirdparty,jni/libmupdf/build/release/scripts
+    ndk=r16b
+
 Maintainer Notes:
 Upstream builds separate APKs for all target architectures supported by NDK
 (7 as of r16). We build universal APK with armeabi-v7a, arm64-v8a and x86
@@ -42,5 +55,5 @@ Documents:
 
 Auto Update Mode:Version %v
 Update Check Mode:Tags
-Current Version:1.12
-Current Version Code:20
+Current Version:1.13.0
+Current Version Code:30