diff --git a/spec/tester_mongo_rails_6/Gemfile.lock b/spec/tester_mongo_rails_6/Gemfile.lock
index 01b70adc..eb4bd642 100644
--- a/spec/tester_mongo_rails_6/Gemfile.lock
+++ b/spec/tester_mongo_rails_6/Gemfile.lock
@@ -129,7 +129,8 @@ GEM
     loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.8.1)
+    mail (2.9.1)
+      logger
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
@@ -149,14 +150,14 @@ GEM
       mongo (>= 2.18.0, < 3.0.0)
     msgpack (1.8.2)
     mutex_m (0.3.0)
-    net-imap (0.6.4)
+    net-imap (0.6.6)
       date
       net-protocol
     net-pop (0.1.2)
       net-protocol
-    net-protocol (0.2.2)
+    net-protocol (0.3.0)
       timeout
-    net-smtp (0.5.0)
+    net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.5)
     nokogiri (1.19.4-x86_64-linux-gnu)