diff --git a/Gemfile b/Gemfile
index 5debb5f..7a6cf1b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,7 @@ gem 'dotenv-rails'
 
 # Authentication
 gem 'warden'
-gem 'devise', '~> 4.9.0'
+gem 'devise', '~> 5.0'
 gem 'devise_ldap_authenticatable'
 gem 'net-ldap'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 7111c12..3d3a017 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,12 +96,12 @@ GEM
     aws-sigv4 (1.11.0)
       aws-eventstream (~> 1, >= 1.0.2)
     backport (1.2.0)
-    base64 (0.2.0)
-    bcrypt (3.1.20)
+    base64 (0.3.0)
+    bcrypt (3.1.22)
     bech32 (1.5.0)
       thor (>= 1.1.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    benchmark (0.5.0)
+    bigdecimal (4.1.2)
     bindex (0.8.1)
     bip-schnorr (0.7.0)
       ecdsa_ext (~> 0.5.0)
@@ -119,11 +119,11 @@ GEM
       logger (~> 1.5)
     chunky_png (1.4.0)
     concurrent-ruby (1.3.4)
-    connection_pool (2.5.2)
+    connection_pool (3.0.2)
     crack (1.0.0)
       bigdecimal
       rexml
-    crass (1.0.6)
+    crass (1.0.7)
     cssbundling-rails (1.4.3)
       railties (>= 6.0.0)
     database_cleaner (2.1.0)
@@ -132,11 +132,11 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    date (3.4.1)
-    devise (4.9.4)
+    date (3.5.1)
+    devise (5.0.4)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0)
+      railties (>= 7.0)
       responders
       warden (~> 1.2.3)
     devise_ldap_authenticatable (0.8.7)
@@ -154,10 +154,11 @@ GEM
       railties (>= 6.1)
     down (5.4.2)
       addressable (~> 2.8)
-    drb (2.2.1)
+    drb (2.2.3)
     ecdsa (1.2.0)
     ecdsa_ext (0.5.1)
       ecdsa (~> 1.2.0)
+    erb (6.0.7)
     erubi (1.13.1)
     et-orbi (1.2.11)
       tzinfo
@@ -204,7 +205,7 @@ GEM
     gpgme (2.0.24)
       mini_portile2 (~> 2.7)
     hashdiff (1.1.2)
-    i18n (1.14.7)
+    i18n (1.15.2)
       concurrent-ruby (~> 1.0)
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
@@ -213,9 +214,10 @@ GEM
       actionpack (>= 6.0.0)
       activesupport (>= 6.0.0)
       railties (>= 6.0.0)
-    io-console (0.8.0)
-    irb (1.15.2)
+    io-console (0.9.2)
+    irb (1.18.0)
       pp (>= 0.6.0)
+      prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jaro_winkler (1.6.0)
@@ -247,7 +249,7 @@ GEM
     lnurl (1.1.1)
       bech32 (~> 1.1)
     logger (1.7.0)
-    loofah (2.24.0)
+    loofah (2.25.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
     mail (2.8.1)
@@ -264,8 +266,8 @@ GEM
     method_source (1.1.0)
     mini_magick (4.13.2)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.8)
-    minitest (5.25.5)
+    mini_portile2 (2.8.9)
+    minitest (5.27.0)
     mission_control-jobs (1.0.2)
       actioncable (>= 7.1)
       actionpack (>= 7.1)
@@ -313,7 +315,7 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.9)
-    pp (0.6.2)
+    pp (0.6.4)
       prettyprint
     prettyprint (0.2.0)
     prism (1.4.0)
@@ -322,7 +324,7 @@ GEM
       activesupport (>= 7.0.0)
       rack
       railties (>= 7.0.0)
-    psych (5.2.3)
+    psych (5.4.0)
       date
       stringio
     public_suffix (6.0.1)
@@ -330,7 +332,7 @@ GEM
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (2.2.13)
+    rack (2.2.23)
     rack-protection (3.2.0)
       base64 (>= 0.1.0)
       rack (~> 2.2, >= 2.2.4)
@@ -359,12 +361,12 @@ GEM
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
       activesupport (>= 5.0.1.rc1)
-    rails-dom-testing (2.2.0)
+    rails-dom-testing (2.3.0)
       activesupport (>= 5.0.0)
       minitest
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.6.2)
-      loofah (~> 2.21)
+    rails-html-sanitizer (1.7.1)
+      loofah (~> 2.25, >= 2.25.2)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
     rails-settings-cached (2.8.3)
       activerecord (>= 5.0.0)
@@ -378,24 +380,26 @@ GEM
       thor (~> 1.0, >= 1.2.2)
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
-    rake (13.2.1)
+    rake (13.4.2)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
     rbs (3.9.2)
       logger
-    rdoc (6.13.1)
+    rdoc (7.2.0)
+      erb
       psych (>= 4.0.0)
+      tsort
     redis (5.4.0)
       redis-client (>= 0.22.0)
     redis-client (0.24.0)
       connection_pool
     regexp_parser (2.10.0)
-    reline (0.6.1)
+    reline (0.7.0)
       io-console (~> 0.5)
-    responders (3.1.1)
-      actionpack (>= 5.2)
-      railties (>= 5.2)
+    responders (3.2.0)
+      actionpack (>= 7.0)
+      railties (>= 7.0)
     reverse_markdown (3.0.0)
       nokogiri
     rexml (3.4.1)
@@ -480,10 +484,11 @@ GEM
     sqlite3 (2.6.0-x86_64-linux-gnu)
     stimulus-rails (1.3.4)
       railties (>= 6.0.0)
-    stringio (3.1.7)
+    stringio (3.2.0)
     thor (1.3.2)
     tilt (2.6.0)
     timeout (0.4.3)
+    tsort (0.2.0)
     turbo-rails (2.0.13)
       actionpack (>= 7.1.0)
       railties (>= 7.1.0)
@@ -492,7 +497,7 @@ GEM
     unicode-display_width (3.1.4)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
-    uri (1.0.3)
+    uri (1.1.1)
     useragent (0.16.11)
     view_component (3.22.0)
       activesupport (>= 5.2.0, < 8.1)
@@ -509,7 +514,7 @@ GEM
       addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    webrick (1.9.1)
+    webrick (1.9.2)
     websocket-driver (0.7.7)
       base64
       websocket-extensions (>= 0.1.0)
@@ -520,7 +525,7 @@ GEM
     yard-solargraph (0.1.0)
       yard (~> 0.9)
     zbase32 (0.1.1)
-    zeitwerk (2.7.2)
+    zeitwerk (2.8.3)
 
 PLATFORMS
   arm64-darwin-22
@@ -534,7 +539,7 @@ DEPENDENCIES
   capybara
   cssbundling-rails
   database_cleaner
-  devise (~> 4.9.0)
+  devise (~> 5.0)
   devise_ldap_authenticatable
   discourse_api
   dotenv-rails
diff --git a/config/initializers/devise.rb b/config/initializers/devise.rb
index cbe8112..f87b296 100644
--- a/config/initializers/devise.rb
+++ b/config/initializers/devise.rb
@@ -324,10 +324,3 @@ Devise.setup do |config|
   # changed. Defaults to true, so a user is signed in automatically after changing a password.
   # config.sign_in_after_change_password = true
 end
-
-# https://github.com/heartcombo/devise/issues/5644
-class Devise::SecretKeyFinder
-  def find
-    @application.secret_key_base
-  end
-end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 6a9a6c5..ce33d66 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -14,11 +14,6 @@
 #
 # See http://rubydoc.info/gems/rspec-core/RSpec/Core/Configuration
 RSpec.configure do |config|
-  # TODO Remove when Devise fixes https://github.com/heartcombo/devise/issues/5705
-  config.before(:each, type: :controller) do
-    Rails.application.reload_routes_unless_loaded
-  end
-
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest
   # assertions if you prefer.