diff --git a/src/lib.rs b/src/lib.rs
index e6aec37..49302b5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -73,6 +73,8 @@ use std::os::unix::ffi::OsStrExt;
 use libc::c_void;
 use minimap2_sys::*;
 
+pub use minimap2_sys as ffi;
+
 #[cfg(feature = "map-file")]
 use needletail::parse_fastx_file;