diff --git a/src/lib.rs b/src/lib.rs
index ddef4a5..fb8d043 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,7 @@ extern crate bit_vec;
 extern crate crossbeam;
 extern crate byteorder;
 
-mod multicore;
+pub mod multicore;
 mod multiexp;
 pub mod domain;
 pub mod groth16;