diff --git a/Gemfile.lock b/Gemfile.lock
index 8ab360f..fff63dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,27 +2,26 @@ PATH
   remote: .
   specs:
     uuidable (0.2.6)
-      activerecord (>= 4.2, < 6.2)
+      activerecord (>= 4.2, < 7.1)
       uuidtools (>= 2.1, < 3)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (6.1.3)
-      activesupport (= 6.1.3)
-    activerecord (6.1.3)
-      activemodel (= 6.1.3)
-      activesupport (= 6.1.3)
-    activesupport (6.1.3)
+    activemodel (7.0.3.1)
+      activesupport (= 7.0.3.1)
+    activerecord (7.0.3.1)
+      activemodel (= 7.0.3.1)
+      activesupport (= 7.0.3.1)
+    activesupport (7.0.3.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-      zeitwerk (~> 2.3)
     addressable (2.4.0)
     ast (2.3.0)
     backports (3.6.8)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.2.5)
     ethon (0.8.1)
       ffi (>= 1.3.0)
@@ -39,12 +38,12 @@ GEM
       net-http-persistent (>= 2.7)
       net-http-pipeline
     highline (1.7.8)
-    i18n (1.8.9)
+    i18n (1.11.0)
       concurrent-ruby (~> 1.0)
     json (2.3.1)
     launchy (2.4.3)
       addressable (~> 2.3)
-    minitest (5.14.4)
+    minitest (5.16.2)
     multi_json (1.11.2)
     multipart-post (2.0.0)
     net-http-persistent (2.9.4)
@@ -96,7 +95,6 @@ GEM
     unicode-display_width (1.3.0)
     uuidtools (2.2.0)
     websocket (1.2.2)
-    zeitwerk (2.4.2)
 
 PLATFORMS
   ruby
diff --git a/uuidable.gemspec b/uuidable.gemspec
index 8be95bc..d238734 100644
--- a/uuidable.gemspec
+++ b/uuidable.gemspec
@@ -23,6 +23,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec', '~> 3.0'
   spec.add_development_dependency 'travis', '~> 1.8', '>= 1.8.2'
 
-  spec.add_dependency 'activerecord', '>= 4.2', '< 6.2'
+  spec.add_dependency 'activerecord', '>= 4.2', '< 7.1'
   spec.add_dependency 'uuidtools', '>= 2.1', '< 3'
 end