diff --git a/Gemfile.lock b/Gemfile.lock
index 76d755a19..a022d60e1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       csv
     colorize (1.1.0)
     concurrent-ruby (1.3.4)
-    connection_pool (2.4.1)
+    connection_pool (2.5.0)
     crack (1.0.0)
       bigdecimal
       rexml
@@ -157,7 +157,7 @@ GEM
     debug (1.10.0)
       irb (~> 1.10)
       reline (>= 0.3.8)
-    debugbar (0.3.3)
+    debugbar (0.4.1)
       actioncable
       rails
     derailed_benchmarks (2.2.1)
@@ -259,8 +259,8 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     local_time (3.0.2)
-    logger (1.6.4)
-    loofah (2.23.1)
+    logger (1.6.5)
+    loofah (2.24.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -298,7 +298,7 @@ GEM
     mysql2 (0.5.6)
     net-http (0.6.0)
       uri
-    net-imap (0.5.4)
+    net-imap (0.5.5)
       date
       net-protocol
     net-pop (0.1.2)
@@ -375,7 +375,8 @@ GEM
       base64 (>= 0.1.0)
       logger (>= 1.6.0)
       rack (>= 3.0.0, < 4)
-    rack-session (2.0.0)
+    rack-session (2.1.0)
+      base64 (>= 0.1.0)
       rack (>= 3.0.0)
     rack-test (2.2.0)
       rack (>= 1.3)
@@ -535,7 +536,8 @@ GEM
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
     websocket (1.2.11)
-    websocket-driver (0.7.6)
+    websocket-driver (0.7.7)
+      base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     xpath (3.2.0)