1 files changed, 2 insertions, 1 deletions
diff --git a/openpgp/src/cert/bundle.rs b/openpgp/src/cert/bundle.rs
index fb5922f0..d755fe80 100644
--- a/openpgp/src/cert/bundle.rs
+++ b/openpgp/src/cert/bundle.rs
@@ -606,7 +606,8 @@ impl<C> ComponentBundle<C> {
     /// function uses the component's type (`C`) to determine the
     /// packet's type; the type is not a function of whether the key
     /// has secret key material.
-    pub(crate) fn into_packets<'a>(self) -> impl Iterator<Item=Packet>
+    pub(crate) fn into_packets<'a>(self)
+                                   -> impl Iterator<Item=Packet> + Send + Sync
         where Packet: From<C>
     {
         let p : Packet = self.component.into();