diff --git a/Gemfile.lock b/Gemfile.lock
index 34da9a5..8e94940 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -188,7 +188,7 @@ GEM
     minitest (5.25.1)
     multi_test (1.1.0)
     mutex_m (0.2.0)
-    net-imap (0.4.16)
+    net-imap (0.4.17)
       date
       net-protocol
     net-pop (0.1.2)