diff --git a/cmd/cosign/cli/util.go b/cmd/cosign/cli/util.go
index d5637f933cf..2167f6bbef3 100644
--- a/cmd/cosign/cli/util.go
+++ b/cmd/cosign/cli/util.go
@@ -90,5 +90,6 @@ func DefaultRegistryClientOpts(ctx context.Context) []remote.Option {
 	return []remote.Option{
 		remote.WithAuthFromKeychain(authn.DefaultKeychain),
 		remote.WithContext(ctx),
+		remote.WithUserAgent("cosign/" + VersionInfo().GitVersion),
 	}
 }