diff --git a/Gemfile b/Gemfile
index 73e32c9..7504112 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,7 +9,7 @@ gem 'puma', '~> 3.11.4'
 gem 'dotenv-rails'
 gem 'settingslogic'
 
-gem 'devise',             '~> 4.4.3'
+gem 'devise',             '~> 4.7.1'
 gem 'omniauth',           '~> 1.6.1'
 gem 'omniauth-github'
 gem 'omniauth-twitter'
diff --git a/Gemfile.lock b/Gemfile.lock
index cc1407d..84f5e56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
     ast (2.4.0)
     autoprefixer-rails (8.4.1)
       execjs
-    bcrypt (3.1.11)
+    bcrypt (3.1.13)
     better_errors (2.5.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
@@ -79,14 +79,14 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
     database_cleaner (1.6.2)
     debug_inspector (0.0.3)
-    devise (4.4.3)
+    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)
     diff-lcs (1.3)
@@ -101,7 +101,7 @@ GEM
       activemodel-serializers-xml (~> 1.0)
       activesupport (~> 5.0)
       request_store (~> 1.0)
-    erubi (1.7.1)
+    erubi (1.9.0)
     erubis (2.7.0)
     exception_notification (4.0.1)
       actionmailer (>= 3.0.4)
@@ -142,7 +142,7 @@ GEM
       haml (>= 4.0, < 6)
       nokogiri (>= 1.6.0)
       ruby_parser (~> 3.5)
-    i18n (1.1.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.1)
     jbuilder (2.7.0)
@@ -161,15 +161,15 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       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 (5.13.0)
     modernizr-rails (2.7.1)
     multi_json (1.13.1)
     multi_xml (0.6.0)
@@ -178,8 +178,8 @@ GEM
       sass (~> 3.4)
       thor (~> 0.19)
     nio4r (2.3.0)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     oauth (0.5.1)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
@@ -212,7 +212,7 @@ GEM
     puma (3.11.4)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
-    rack (2.0.5)
+    rack (2.0.7)
     rack-robotz (0.0.4)
       rack
     rack-test (1.1.0)
@@ -236,8 +236,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_html_helpers (0.1.1)
       railties (>= 3.2)
     railties (5.1.6)
@@ -247,7 +247,7 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
     rainbow (3.0.0)
-    rake (12.3.1)
+    rake (12.3.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
@@ -344,8 +344,8 @@ GEM
     uglifier (3.1.7)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.4.0)
-    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)
@@ -365,7 +365,7 @@ DEPENDENCIES
   capybara (~> 3.0)
   coffee-rails (~> 4.2.1)
   database_cleaner (~> 1.6)
-  devise (~> 4.4.3)
+  devise (~> 4.7.1)
   dotenv-rails
   draper (~> 3.0.0.pre1)
   exception_notification (~> 4.0.1)