diff --git a/apkverify/src/lib.rs b/apkverify/src/lib.rs
index 9930099..869431e 100644
--- a/apkverify/src/lib.rs
+++ b/apkverify/src/lib.rs
@@ -18,6 +18,7 @@
 
 mod bytes_ext;
 mod sigutil;
+mod testing;
 mod v3;
 mod ziputil;