diff --git a/Gemfile b/Gemfile
index 494b9b5..95f7d5a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'http://rubygems.org'
 
 gem 'sinatra'
-gem 'activerecord', '~> 4.2', '>= 4.2.6', :require => 'active_record'
+gem 'activerecord', '~> 6.1', :require => 'active_record'
 gem 'sinatra-activerecord', :require => 'sinatra/activerecord'
 gem 'rake'
 gem 'require_all'
diff --git a/Gemfile.lock b/Gemfile.lock
index 276651e..37c1555 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,24 +7,21 @@ GIT
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (4.2.10)
-      activesupport (= 4.2.10)
-      builder (~> 3.1)
-    activerecord (4.2.10)
-      activemodel (= 4.2.10)
-      activesupport (= 4.2.10)
-      arel (~> 6.0)
-    activesupport (4.2.10)
-      i18n (~> 0.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
+    activemodel (6.1.7.1)
+      activesupport (= 6.1.7.1)
+    activerecord (6.1.7.1)
+      activemodel (= 6.1.7.1)
+      activesupport (= 6.1.7.1)
+    activesupport (6.1.7.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+      zeitwerk (~> 2.3)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
-    arel (6.0.4)
     bcrypt (3.1.11)
     bond (0.5.1)
-    builder (3.2.3)
     capybara (2.15.4)
       addressable
       mini_mime (>= 0.1.3)
@@ -33,14 +30,16 @@ GEM
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
     coderay (1.1.2)
+    concurrent-ruby (1.1.10)
     daemons (1.2.4)
     diff-lcs (1.3)
     eventmachine (1.2.5)
-    i18n (0.8.6)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
     method_source (0.9.0)
     mini_mime (0.1.4)
     mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    minitest (5.17.0)
     mustermann (1.0.1)
     nokogiri (1.8.1)
       mini_portile2 (~> 2.3.0)
@@ -93,23 +92,23 @@ GEM
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    thread_safe (0.3.6)
     tilt (2.0.8)
     tux (0.3.0)
       ripl (>= 0.3.5)
       ripl-multi_line (>= 0.2.4)
       ripl-rack (>= 0.2.0)
       sinatra (>= 1.2.1)
-    tzinfo (1.2.3)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
     xpath (2.1.0)
       nokogiri (~> 1.3)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activerecord (~> 4.2, >= 4.2.6)
+  activerecord (~> 6.1)
   bcrypt
   capybara
   database_cleaner!