diff --git a/Gemfile.lock b/Gemfile.lock
index df258b9e..307b9630 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -173,7 +173,7 @@ GEM
     minitest (5.25.1)
     net-http (0.4.1)
       uri
-    net-imap (0.4.14)
+    net-imap (0.4.16)
       date
       net-protocol
     net-ping (2.0.8)