diff --git a/tfs/pom.xml b/tfs/pom.xml
index 6dc87f969..9768ab5a4 100644
--- a/tfs/pom.xml
+++ b/tfs/pom.xml
@@ -186,7 +186,7 @@
       <!-- We need this plugin for the [current] TfsUserLookup implementation -->
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>mailer</artifactId>
-      <version>1.16</version>
+      <version>391.ve4a_38c1b_cf4b_</version>
     </dependency>
     <dependency>
       <!-- Used for configuring collections globally -->