diff --git a/Gemfile b/Gemfile
index 6c59bc2..6e9ab9a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source 'http://rubygems.org'
 
 gem 'sinatra'
-gem 'activerecord', '4.2.5', :require => 'active_record'
+gem 'activerecord', '6.1.7.1', :require => 'active_record'
 gem 'sinatra-activerecord', :require => 'sinatra/activerecord'
 gem 'rake'
 gem 'require_all'
diff --git a/Gemfile.lock b/Gemfile.lock
index d801d95..9b1cf67 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,31 +1,26 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    activemodel (4.2.5)
-      activesupport (= 4.2.5)
-      builder (~> 3.1)
-    activerecord (4.2.5)
-      activemodel (= 4.2.5)
-      activesupport (= 4.2.5)
-      arel (~> 6.0)
-    activesupport (4.2.5)
-      i18n (~> 0.7)
-      json (~> 1.7, >= 1.7.7)
-      minitest (~> 5.1)
-      thread_safe (~> 0.3, >= 0.3.4)
-      tzinfo (~> 1.1)
-    arel (6.0.4)
+    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)
     bcrypt (3.1.12)
-    builder (3.2.3)
     coderay (1.1.2)
-    concurrent-ruby (1.1.4)
+    concurrent-ruby (1.1.10)
     daemons (1.3.1)
     eventmachine (1.2.7)
-    i18n (0.9.5)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    json (1.8.6)
     method_source (0.9.2)
-    minitest (5.11.3)
+    minitest (5.17.0)
     mustermann (1.0.3)
     pry (0.12.2)
       coderay (~> 1.1.0)
@@ -50,16 +45,16 @@ GEM
       daemons (~> 1.0, >= 1.0.9)
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
-    thread_safe (0.3.6)
     tilt (2.0.9)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.5)
+      concurrent-ruby (~> 1.0)
+    zeitwerk (2.6.6)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activerecord (= 4.2.5)
+  activerecord (= 6.1.7.1)
   bcrypt
   pry
   rake