diff --git a/src/supernova/mod.rs b/src/supernova/mod.rs
index e2af8e1b8..9a1c10cef 100644
--- a/src/supernova/mod.rs
+++ b/src/supernova/mod.rs
@@ -361,7 +361,7 @@ where
   }
 
   /// Return the [PublicParams]' digest.
-  fn digest(&self) -> E1::Scalar {
+  pub fn digest(&self) -> E1::Scalar {
     self
       .digest
       .get_or_try_init(|| {