diff --git a/Gemfile.lock b/Gemfile.lock
index 486519337..f1f1825bf 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -155,7 +155,7 @@ 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)
@@ -258,7 +258,7 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     local_time (3.0.2)
     logger (1.6.4)
-    loofah (2.23.1)
+    loofah (2.24.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -296,7 +296,7 @@ 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)
@@ -373,7 +373,8 @@ 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)
@@ -533,7 +534,8 @@ 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)