diff --git a/crates/oci-distribution/src/errors.rs b/crates/oci-distribution/src/errors.rs
index d1f4ad33e..68a3ccf67 100644
--- a/crates/oci-distribution/src/errors.rs
+++ b/crates/oci-distribution/src/errors.rs
@@ -81,6 +81,8 @@ pub enum OciErrorCode {
     Denied,
     /// This operation is unsupported
     Unsupported,
+    /// Too many requests from client
+    Toomanyrequests,
 }
 
 #[cfg(test)]