diff --git a/Gemfile b/Gemfile
index 845fc31..55643f2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -53,7 +53,7 @@ gem 'simple_form'
 gem 'gravatar_image_tag', '~> 1.2'
 
 #flexible authentication for rails
-gem 'devise', '~> 4.3'
+gem 'devise', '~> 4.7'
 
 # Reduces boot times through caching; required in config/boot.rb
 gem 'bootsnap', '>= 1.1.0', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index 6392701..76bb444 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,7 +47,7 @@ GEM
     archive-zip (0.11.0)
       io-like (~> 0.3.0)
     arel (9.0.0)
-    bcrypt (3.1.12)
+    bcrypt (3.1.13)
     better_errors (2.5.0)
       coderay (>= 1.0.0)
       erubi (>= 1.0.0)
@@ -80,18 +80,18 @@ 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)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
-    erubi (1.7.1)
+    erubi (1.9.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
     ffi (1.9.25)
@@ -119,7 +119,7 @@ GEM
       guard-compat (~> 1.0)
       multi_json (~> 1.8)
     http_parser.rb (0.6.0)
-    i18n (1.1.1)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jbuilder (2.8.0)
@@ -129,7 +129,7 @@ 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)
     lumberjack (1.0.13)
@@ -137,17 +137,17 @@ GEM
       mini_mime (>= 0.1.1)
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
-    method_source (0.9.1)
+    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)
     nenv (0.3.0)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -157,7 +157,7 @@ GEM
       method_source (~> 0.9.0)
     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 (5.2.1)
@@ -176,22 +176,22 @@ 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 (5.2.1)
       actionpack (= 5.2.1)
       activesupport (= 5.2.1)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
-    rake (12.3.2)
+    rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     regexp_parser (1.2.0)
-    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)
@@ -238,8 +238,8 @@ 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)
     web-console (3.7.0)
       actionview (>= 5.0)
       activemodel (>= 5.0)
@@ -262,7 +262,7 @@ DEPENDENCIES
   capybara (>= 2.15, < 4.0)
   chromedriver-helper
   coffee-rails (~> 4.2)
-  devise (~> 4.3)
+  devise (~> 4.7)
   font-awesome-rails
   font-awesome-sass (~> 5.8.1)
   gravatar_image_tag (~> 1.2)