diff --git a/builder/Gemfile.lock b/builder/Gemfile.lock
index 65dba15dfde..ab7d7869f7f 100644
--- a/builder/Gemfile.lock
+++ b/builder/Gemfile.lock
@@ -147,7 +147,7 @@ GEM
     minitest (5.25.4)
     msgpack (1.7.5)
     mutex_m (0.3.0)
-    net-imap (0.5.2)
+    net-imap (0.5.3)
       date
       net-protocol
     net-pop (0.1.2)