diff --git a/spki/src/algorithm.rs b/spki/src/algorithm.rs
index b0e08b5b3..5f4b5e8c2 100644
--- a/spki/src/algorithm.rs
+++ b/spki/src/algorithm.rs
@@ -88,6 +88,9 @@ where
 /// `AlgorithmIdentifier` reference which has `AnyRef` parameters.
 pub type AlgorithmIdentifierRef<'a> = AlgorithmIdentifier<AnyRef<'a>>;
 
+/// `AlgorithmIdentifier` with `ObjectIdentifier` parameters.
+pub type AlgorithmIdentifierWithOid = AlgorithmIdentifier<ObjectIdentifier>;
+
 /// `AlgorithmIdentifier` reference which has `Any` parameters.
 #[cfg(feature = "alloc")]
 pub type AlgorithmIdentifierOwned = AlgorithmIdentifier<Any>;
diff --git a/spki/src/lib.rs b/spki/src/lib.rs
index 2ac8d9d12..026109c29 100644
--- a/spki/src/lib.rs
+++ b/spki/src/lib.rs
@@ -47,7 +47,7 @@ mod traits;
 mod fingerprint;
 
 pub use crate::{
-    algorithm::{AlgorithmIdentifier, AlgorithmIdentifierRef},
+    algorithm::{AlgorithmIdentifier, AlgorithmIdentifierRef, AlgorithmIdentifierWithOid},
     error::{Error, Result},
     spki::{SubjectPublicKeyInfo, SubjectPublicKeyInfoRef},
     traits::{AssociatedAlgorithmIdentifier, DecodePublicKey, SignatureAlgorithmIdentifier},