diff --git a/Gemfile b/Gemfile
index 23bae92..3783f3a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,7 +38,7 @@ gem 'font-awesome-sass', '4.6.2'
 gem 'hirb', '0.7.3'
 
 # Use Devise for user authentication
-gem 'devise', '4.2.0'
+gem 'devise', '4.7.1'
 
 # Use Stripe for payment processing
 gem 'stripe', '1.48.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index e111730..22a3c61 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
     arel (7.1.4)
     autoprefixer-rails (9.4.4)
       execjs
-    bcrypt (3.1.12)
+    bcrypt (3.1.13)
     bindex (0.5.0)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
@@ -58,12 +58,12 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.4)
-    crass (1.0.4)
-    devise (4.2.0)
+    concurrent-ruby (1.1.5)
+    crass (1.0.5)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.1)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
     domain_name (0.5.20180417)
@@ -92,7 +92,7 @@ GEM
     listen (3.0.5)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)
-    loofah (2.2.3)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -104,11 +104,11 @@ GEM
     mimemagic (0.3.0)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.12.2)
     multi_json (1.13.1)
     netrc (0.11.0)
     nio4r (1.2.1)
-    nokogiri (1.10.0)
+    nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     paperclip (4.3.6)
@@ -119,7 +119,7 @@ GEM
       mimemagic (= 0.3.0)
     pg (0.18.4)
     puma (3.4.0)
-    rack (2.0.6)
+    rack (2.0.7)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.0)
@@ -137,15 +137,15 @@ 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 (5.0.0)
       actionpack (= 5.0.0)
       activesupport (= 5.0.0)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.2)
+    rake (13.0.0)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -212,7 +212,7 @@ DEPENDENCIES
   bootstrap-sass (= 3.3.7)
   byebug
   coffee-rails (= 4.2.1)
-  devise (= 4.2.0)
+  devise (= 4.7.1)
   figaro (= 1.1.1)
   font-awesome-sass (= 4.6.2)
   hirb (= 0.7.3)