diff --git a/Gemfile.lock b/Gemfile.lock
index 367da527..913f70da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -307,7 +307,8 @@ GEM
     loofah (2.25.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
-    mail (2.8.1)
+    mail (2.9.0)
+      logger
       mini_mime (>= 0.1.1)
       net-imap
       net-pop
@@ -338,7 +339,7 @@ GEM
     multipart-post (2.4.1)
     net-http (0.9.1)
       uri (>= 0.11.1)
-    net-imap (0.5.10)
+    net-imap (0.6.3)
       date
       net-protocol
     net-pop (0.1.2)
@@ -628,7 +629,7 @@ GEM
     thor (1.5.0)
     tilt (2.6.1)
     timecop (0.9.4)
-    timeout (0.4.3)
+    timeout (0.6.1)
     transitions (1.2.1)
     tsort (0.2.0)
     ttfunk (1.8.0)