diff --git a/Android.bp b/Android.bp
index db1e684..81565e9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -618,6 +618,7 @@
         "payload_generator/deflate_utils.cc",
         "payload_generator/delta_diff_generator.cc",
         "payload_generator/delta_diff_utils.cc",
+        "lz4diff/lz4diff.cc",
         "lz4diff/lz4diff_compress.cc",
         "payload_generator/ext2_filesystem.cc",
         "payload_generator/erofs_filesystem.cc",