diff --git a/manifests/r/Recoupler/AudioBookConverter/5.5.18/Recoupler.AudioBookConverter.installer.yaml b/manifests/r/Recoupler/AudioBookConverter/5.5.18/Recoupler.AudioBookConverter.installer.yaml
index c2c20b44e..f8a4b91b5 100644
--- a/manifests/r/Recoupler/AudioBookConverter/5.5.18/Recoupler.AudioBookConverter.installer.yaml
+++ b/manifests/r/Recoupler/AudioBookConverter/5.5.18/Recoupler.AudioBookConverter.installer.yaml
@@ -9,5 +9,6 @@ Installers:
   InstallerUrl: https://github.com/yermak/AudioBookConverter/releases/download/version_5.5.18/AudioBookConverter-All-Users-5.5.18.msi
   InstallerSha256: 3147F311A20782E70D6E74BF615C3757149FFA31FB60623C887EBC52DDEC38AC
   ProductCode: '{908A859E-6F01-3406-899E-79F6527516B3}'
+  Silent: /passive
 ManifestType: installer
 ManifestVersion: 1.0.0