diff --git a/keystore2/src/lib.rs b/keystore2/src/lib.rs
index 067399e..3e13c5f 100644
--- a/keystore2/src/lib.rs
+++ b/keystore2/src/lib.rs
@@ -14,6 +14,7 @@
 
 //! This crate implements the Android Keystore 2.0 service.
 
+mod crypto;
 pub mod database;
 pub mod error;
 pub mod globals;