diff --git a/Gemfile.lock b/Gemfile.lock
index 404c44e..fe6571e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     arel (8.0.0)
-    bcrypt (3.1.12)
+    bcrypt (3.1.13)
     builder (3.2.3)
     byebug (10.0.2)
     coderay (1.1.2)
@@ -50,19 +50,19 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.5)
     config (1.4.0)
       activesupport (>= 3.0)
       deep_merge (~> 1.1.1)
-    crass (1.0.4)
+    crass (1.0.5)
     deep_merge (1.1.1)
-    devise (4.5.0)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 6.0)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    erubi (1.7.1)
+    erubi (1.9.0)
     execjs (2.7.0)
     faraday (0.12.2)
       multipart-post (>= 1.2, < 3)
@@ -71,7 +71,7 @@ GEM
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     hashie (3.5.7)
-    i18n (1.1.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
@@ -86,17 +86,17 @@ GEM
       nokogiri (>= 1.5.9)
     mail (2.7.0)
       mini_mime (>= 0.1.1)
-    method_source (0.9.0)
+    method_source (0.9.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    mini_portile2 (2.4.0)
+    minitest (5.12.2)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     mysql2 (0.5.2)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
@@ -138,7 +138,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
     railties (5.1.6)
       actionpack (= 5.1.6)
@@ -146,11 +146,11 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (13.0.0)
     redcarpet (3.3.4)
-    responders (2.4.0)
-      actionpack (>= 4.2.0, < 5.3)
-      railties (>= 4.2.0, < 5.3)
+    responders (3.0.0)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -158,7 +158,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.20.0)
+    thor (0.20.3)
     thread_safe (0.3.6)
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
@@ -167,8 +167,8 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.1.19)
       execjs (>= 0.3.0, < 3)
-    warden (1.2.7)
-      rack (>= 1.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)