diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index b25dbb3..afc2026 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, ubuntu-20.04, macos-latest, macos-13, macos-12, windows-latest, windows-2019]
-        ruby: ['3.0.7', '3.1', '3.2', '3.3']
+        ruby: ['3.1', '3.2', '3.3']
 
     steps:
       - uses: actions/checkout@v3
diff --git a/.ruby-version b/.ruby-version
index 2451c27..fd2a018 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.0.7
+3.1.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c84f919..0c1642e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [3.0.5] - 2024-09-08
+
+### Changes
+[x] Update activerecord and activemodel.
+
 ## [3.0.4] - 2024-09-08
 
 ### Changes
diff --git a/Gemfile.lock b/Gemfile.lock
index 14be81e..d08408d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,8 +2,8 @@ PATH
   remote: .
   specs:
     dsu (3.0.4)
-      activemodel (>= 7.0.8, < 8.0)
-      activesupport (>= 7.0.8, < 8.0)
+      activemodel (>= 7.2.1, < 8.0)
+      activesupport (>= 7.2.1, < 8.0)
       colorize (>= 1.1, < 2.0)
       os (>= 1.1, < 2.0)
       thor (>= 1.2, < 2.0)
@@ -13,18 +13,19 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (7.1.4)
-      activesupport (= 7.1.4)
-    activesupport (7.1.4)
+    activemodel (7.2.1)
+      activesupport (= 7.2.1)
+    activesupport (7.2.1)
       base64
       bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
+      concurrent-ruby (~> 1.0, >= 1.3.1)
       connection_pool (>= 2.2.5)
       drb
       i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
       minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
     ast (2.4.2)
     base64 (0.2.0)
     bigdecimal (3.1.8)
@@ -71,9 +72,9 @@ GEM
       concurrent-ruby (~> 1.0)
     json (2.7.2)
     language_server-protocol (3.17.0.3)
+    logger (1.6.1)
     method_source (1.1.0)
     minitest (5.25.1)
-    mutex_m (0.2.0)
     os (1.1.4)
     parallel (1.26.3)
     parser (3.3.5.0)
@@ -130,6 +131,7 @@ GEM
     rubocop-rspec (3.0.5)
       rubocop (~> 1.61)
     ruby-progressbar (1.13.0)
+    securerandom (0.3.1)
     simplecov (0.22.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
diff --git a/README.md b/README.md
index 9ad5e6e..701ffaf 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,6 @@ The [dsu wiki](https://github.com/gangelo/dsu/wiki) is currently the gold standa
 
 # Supported ruby versions
 `dsu` _should_ work with any ruby version `['>= 3.0.7', '< 4.0']`; however, `dsu` is currently tested against the ubuntu-latest, macos-latest and windows-latest platforms, using the following ruby versions:
-- 3.0.7
 - 3.1
 - 3.2
 - 3.3
diff --git a/dsu.gemspec b/dsu.gemspec
index 47802a8..5acc7a7 100644
--- a/dsu.gemspec
+++ b/dsu.gemspec
@@ -20,7 +20,7 @@ Gem::Specification.new do |spec|
   DESC
   spec.homepage = 'https://github.com/gangelo/dsu'
   spec.license = 'MIT'
-  spec.required_ruby_version = ['>= 3.0.7', '< 4.0']
+  spec.required_ruby_version = ['>= 3.1.0', '< 4.0']
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['documentation_uri'] = 'https://github.com/gangelo/dsu/wiki'
@@ -38,8 +38,8 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'activesupport', '>= 7.0.8', '< 8.0'
-  spec.add_dependency 'activemodel', '>= 7.0.8', '< 8.0'
+  spec.add_dependency 'activesupport', '>= 7.2.1', '< 8.0'
+  spec.add_dependency 'activemodel', '>= 7.2.1', '< 8.0'
   spec.add_dependency 'colorize', '>= 1.1', '< 2.0'
   spec.add_dependency 'os', '>= 1.1', '< 2.0'
   spec.add_dependency 'thor', '>= 1.2', '< 2.0'
diff --git a/lib/dsu/version.rb b/lib/dsu/version.rb
index e13bfac..48f6c74 100644
--- a/lib/dsu/version.rb
+++ b/lib/dsu/version.rb
@@ -2,5 +2,5 @@
 
 module Dsu
   VERSION_REGEX = /\A\d+\.\d+\.\d+(\.(alpha|beta|rc)\.\d+)?\z/
-  VERSION = '3.0.4'
+  VERSION = '3.0.5'
 end