diff --git a/Gemfile b/Gemfile
index d921984..1462a47 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,7 +16,7 @@ gem 'haml', '~> 5.0', '>= 5.0.4'
 gem 'jquery-rails'
 gem 'bootstrap', '~> 4.1', '>= 4.1.3'
 gem 'simple_form', '~> 4.1'
-gem 'devise', '~> 4.5'
+gem 'devise', '~> 4.7'
 group :development, :test do
   gem 'byebug', platforms: [:mri, :mingw, :x64_mingw]
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 2def2ff..fed5d19 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     arel (9.0.0)
     autoprefixer-rails (9.4.2)
       execjs
-    bcrypt (3.1.12)
+    bcrypt (3.1.13)
     bindex (0.5.0)
     bootsnap (1.3.2)
       msgpack (~> 1.0)
@@ -79,15 +79,15 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.3)
-    crass (1.0.4)
-    devise (4.5.0)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
+    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)
     ffi (1.9.25)
     globalid (0.4.1)
@@ -95,7 +95,7 @@ GEM
     haml (5.0.4)
       temple (>= 0.8.0)
       tilt
-    i18n (1.1.1)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jbuilder (2.8.0)
@@ -109,7 +109,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -119,18 +119,18 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    mini_portile2 (2.4.0)
+    minitest (5.13.0)
     msgpack (1.2.4)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     popper_js (1.14.5)
     public_suffix (3.0.3)
     puma (3.12.0)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.2)
@@ -149,22 +149,22 @@ 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)
     railties (5.2.2)
       actionpack (= 5.2.2)
       activesupport (= 5.2.2)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     regexp_parser (1.3.0)
-    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)
     ruby_dep (1.5.0)
     rubyzip (1.2.2)
     sass (3.7.2)
@@ -231,7 +231,7 @@ DEPENDENCIES
   capybara (>= 2.15)
   chromedriver-helper
   coffee-rails (~> 4.2)
-  devise (~> 4.5)
+  devise (~> 4.7)
   haml (~> 5.0, >= 5.0.4)
   jbuilder (~> 2.5)
   jquery-rails