diff --git a/graalvm-config-dir/reflect-config.json b/graalvm-config-dir/reflect-config.json
index 09df8cfb1..8a80f9c7c 100644
--- a/graalvm-config-dir/reflect-config.json
+++ b/graalvm-config-dir/reflect-config.json
@@ -51,6 +51,9 @@
 {
   "name":"[Lorg.asamk.signal.json.JsonQuotedAttachment;"
 },
+{
+  "name":"[Lorg.asamk.signal.json.JsonSyncReadMessage;"
+},
 {
   "name":"[Lorg.asamk.signal.json.JsonTextStyle;"
 },