diff --git a/src/lib/lib.rs b/src/lib/lib.rs
index d9f9bbad7a87cc1356481ea8327da8cf7f38b0b3..fa97f4fbac8b08469b9024b1a536c4f1b8023112 100644
--- a/src/lib/lib.rs
+++ b/src/lib/lib.rs
@@ -37,7 +37,7 @@ extern crate ion_lexers as lexers;
 extern crate ion_ranges as ranges;
 
 #[macro_use]
-mod types;
+pub mod types;
 #[macro_use]
 pub mod parser;
 mod ascii_helpers;