diff --git a/client/graphql.go b/client/graphql.go
index 6ccb71307905bcfd5cd321f6ca3afcdce2d9d2c6..7b1a4b7726c8ddd0a48f798b2e1c64fe6e3c20b3 100644
--- a/client/graphql.go
+++ b/client/graphql.go
@@ -133,6 +133,7 @@ 	if err != nil {
 		return err
 	}
 	req.Header.Add("Content-Type", contentType)
+	req.Header.Add("User-Agent", "SourceHut core-go (https://git.sr.ht/~sircmpwn/core-go)")
 	auth := InternalAuth{
 		Name:     username,
 		ClientID: config.ServiceName(ctx),