diff --git a/primitives/src/lib.rs b/primitives/src/lib.rs
index bd7d57f7d..342352994 100644
--- a/primitives/src/lib.rs
+++ b/primitives/src/lib.rs
@@ -32,6 +32,9 @@ pub mod locktime;
 pub mod opcodes;
 pub mod sequence;
 
+#[doc(inline)]
+pub use units::*;
+
 #[doc(inline)]
 #[cfg(feature = "alloc")]
 pub use self::locktime::{absolute, relative};