diff --git a/mail/base/jar.mn b/mail/base/jar.mn
index dbc796c29800..7c4fb2786345 100644
--- a/mail/base/jar.mn
+++ b/mail/base/jar.mn
@@ -49,6 +49,7 @@ messenger.jar:
     content/messenger/msgSynchronize.xul            (/mailnews/base/resources/content/msgSynchronize.xul)
     content/messenger/msgSynchronize.js             (/mailnews/base/resources/content/msgSynchronize.js)
     content/messenger/folderProps.xul               (/mailnews/base/resources/content/folderProps.xul)
+    content/messenger/retention.js                  (/mailnews/base/resources/content/retention.js)
     content/messenger/folderProps.js                (/mailnews/base/resources/content/folderProps.js)
     content/messenger/threadPane.js                 (/mailnews/base/resources/content/threadPane.js)
     content/messenger/msgHdrViewAddresses.js        (/mailnews/base/resources/content/msgHdrViewAddresses.js)
diff --git a/mailnews/jar.mn b/mailnews/jar.mn
index 913403d6c488..4c1c6288b200 100644
--- a/mailnews/jar.mn
+++ b/mailnews/jar.mn
@@ -107,6 +107,7 @@ messenger.jar:
     content/messenger/msgHdrViewOverlay.js                                     (base/resources/content/msgHdrViewOverlay.js)
     content/messenger/msgHdrViewAddresses.js                                   (base/resources/content/msgHdrViewAddresses.js)
     content/messenger/widgetglue.js                                            (base/resources/content/widgetglue.js)
+    content/messenger/retention.js                                             (base/resources/content/retention.js)
     content/messenger/commandglue.js                                           (base/resources/content/commandglue.js)
     content/messenger/mailCommands.js                                          (base/resources/content/mailCommands.js)
     content/messenger/shareglue.js                                             (base/resources/content/shareglue.js)