diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a904559..671cdbb 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,24 +14,16 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - ruby: "2.5.5"
-            gemfile: Gemfile.5.2.sqlite3
-          - ruby: "2.7.7"
-            gemfile: Gemfile.5.2.sqlite3
-          - ruby: "3.0.5"
-            gemfile: Gemfile.6.0.sqlite3
-          - ruby: "3.0.5"
+          - ruby: "2.7.8"
             gemfile: Gemfile.6.1.sqlite3
-          - ruby: "3.0.5"
-            gemfile: Gemfile.7.0.sqlite3
-          - ruby: "3.1.3"
-            gemfile: Gemfile.7.0.sqlite3
-          - ruby: "3.2.0"
-            gemfile: Gemfile.7.0.sqlite3
-          - ruby: "3.2.0"
+          - ruby: "3.0.7"
             gemfile: Gemfile.7.1.sqlite3
-          - ruby: "3.2.0"
+          - ruby: "3.1.6"
             gemfile: Gemfile.7.2.sqlite3
+          - ruby: "3.2.6"
+            gemfile: Gemfile.7.2.sqlite3
+          - ruby: "3.3.6"
+            gemfile: Gemfile.8.0.sqlite3
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
 
@@ -65,8 +57,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - ruby: "2.7.7"
-            gemfile: Gemfile.5.2.mysql2
+          - ruby: "3.2.6"
+            gemfile: Gemfile.7.2.mysql2
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
 
@@ -104,21 +96,11 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - ruby: "2.5.5"
-            gemfile: Gemfile.5.2.pg
-          - ruby: "2.7.7"
-            gemfile: Gemfile.5.2.pg
-          - ruby: "3.0.5"
+          - ruby: "3.0.7"
             gemfile: Gemfile.6.1.pg
-          - ruby: "3.0.5"
-            gemfile: Gemfile.7.0.pg
-          - ruby: "3.1.3"
-            gemfile: Gemfile.7.0.pg
-          - ruby: "3.2.0"
-            gemfile: Gemfile.7.0.pg
-          - ruby: "3.2.0"
+          - ruby: "3.2.6"
             gemfile: Gemfile.7.1.pg
-          - ruby: "3.2.0"
+          - ruby: "3.2.6"
             gemfile: Gemfile.7.2.pg
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
diff --git a/Gemfile.5.2.mysql2.lock b/Gemfile.5.2.mysql2.lock
deleted file mode 100644
index e27068a..0000000
--- a/Gemfile.5.2.mysql2.lock
+++ /dev/null
@@ -1,59 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.1.7)
-      activesupport (= 5.1.7)
-    activerecord (5.1.7)
-      activemodel (= 5.1.7)
-      activesupport (= 5.1.7)
-      arel (~> 8.0)
-    activesupport (5.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    arel (8.0.0)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    gemika (0.5.0)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.2)
-    mysql2 (0.5.3)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 5.1.0)
-  gemika
-  mysql2
-  rake
-  rspec (~> 3.4)
-
-BUNDLED WITH
-   2.2.27
diff --git a/Gemfile.5.2.pg b/Gemfile.5.2.pg
deleted file mode 100644
index add0dc5..0000000
--- a/Gemfile.5.2.pg
+++ /dev/null
@@ -1,9 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'activerecord', '~>5.1.0'
-gem 'rspec', '~>3.4'
-gem 'pg'
-gem 'rake'
-gem 'gemika'
-
-gem 'active_type', :path => '.'
diff --git a/Gemfile.5.2.pg.lock b/Gemfile.5.2.pg.lock
deleted file mode 100644
index d69a2df..0000000
--- a/Gemfile.5.2.pg.lock
+++ /dev/null
@@ -1,59 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.1.7)
-      activesupport (= 5.1.7)
-    activerecord (5.1.7)
-      activemodel (= 5.1.7)
-      activesupport (= 5.1.7)
-      arel (~> 8.0)
-    activesupport (5.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    arel (8.0.0)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    gemika (0.6.0)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.2)
-    pg (1.2.3)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 5.1.0)
-  gemika
-  pg
-  rake
-  rspec (~> 3.4)
-
-BUNDLED WITH
-   2.2.27
diff --git a/Gemfile.5.2.sqlite3 b/Gemfile.5.2.sqlite3
deleted file mode 100644
index 6b6f3e0..0000000
--- a/Gemfile.5.2.sqlite3
+++ /dev/null
@@ -1,9 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'activerecord', '~>5.1.0'
-gem 'rspec', '~> 3.4'
-gem 'sqlite3'
-gem 'rake'
-gem 'gemika'
-
-gem 'active_type', :path => '.'
diff --git a/Gemfile.5.2.sqlite3.lock b/Gemfile.5.2.sqlite3.lock
deleted file mode 100644
index e8bc0c0..0000000
--- a/Gemfile.5.2.sqlite3.lock
+++ /dev/null
@@ -1,59 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (5.1.7)
-      activesupport (= 5.1.7)
-    activerecord (5.1.7)
-      activemodel (= 5.1.7)
-      activesupport (= 5.1.7)
-      arel (~> 8.0)
-    activesupport (5.1.7)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    arel (8.0.0)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    gemika (0.5.0)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.2)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    sqlite3 (1.4.2)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 5.1.0)
-  gemika
-  rake
-  rspec (~> 3.4)
-  sqlite3
-
-BUNDLED WITH
-   2.2.27
diff --git a/Gemfile.6.0.sqlite3 b/Gemfile.6.0.sqlite3
deleted file mode 100644
index 9aa0eb3..0000000
--- a/Gemfile.6.0.sqlite3
+++ /dev/null
@@ -1,9 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'activerecord', '~>6.0.0'
-gem 'rspec', '~>3.4'
-gem 'sqlite3'
-gem 'rake'
-gem 'gemika'
-
-gem 'active_type', :path => '.'
diff --git a/Gemfile.6.0.sqlite3.lock b/Gemfile.6.0.sqlite3.lock
deleted file mode 100644
index 027d0a5..0000000
--- a/Gemfile.6.0.sqlite3.lock
+++ /dev/null
@@ -1,59 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (6.0.3.4)
-      activesupport (= 6.0.3.4)
-    activerecord (6.0.3.4)
-      activemodel (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
-    activesupport (6.0.3.4)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
-    concurrent-ruby (1.1.7)
-    diff-lcs (1.4.4)
-    gemika (0.6.0)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
-    minitest (5.14.2)
-    rake (13.0.1)
-    rspec (3.10.0)
-      rspec-core (~> 3.10.0)
-      rspec-expectations (~> 3.10.0)
-      rspec-mocks (~> 3.10.0)
-    rspec-core (3.10.0)
-      rspec-support (~> 3.10.0)
-    rspec-expectations (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-mocks (3.10.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.10.0)
-    rspec-support (3.10.0)
-    sqlite3 (1.4.2)
-    thread_safe (0.3.6)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
-    zeitwerk (2.4.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 6.0.0)
-  gemika
-  rake
-  rspec (~> 3.4)
-  sqlite3
-
-BUNDLED WITH
-   2.2.27
diff --git a/Gemfile.6.1.pg.lock b/Gemfile.6.1.pg.lock
index 6b6cd84..3a5167c 100644
--- a/Gemfile.6.1.pg.lock
+++ b/Gemfile.6.1.pg.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.6.1.sqlite3.lock b/Gemfile.6.1.sqlite3.lock
index 56a8639..e728a92 100644
--- a/Gemfile.6.1.sqlite3.lock
+++ b/Gemfile.6.1.sqlite3.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.7.0.pg b/Gemfile.7.0.pg
deleted file mode 100644
index e59b8f8..0000000
--- a/Gemfile.7.0.pg
+++ /dev/null
@@ -1,9 +0,0 @@
-source 'https://rubygems.org'
-
-gem 'activerecord', '~>7.0.3'
-gem 'rspec', '~>3.4'
-gem 'pg'
-gem 'rake'
-gem 'gemika'
-
-gem 'active_type', :path => '.'
diff --git a/Gemfile.7.0.pg.lock b/Gemfile.7.0.pg.lock
deleted file mode 100644
index e8ec323..0000000
--- a/Gemfile.7.0.pg.lock
+++ /dev/null
@@ -1,56 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (7.0.4.2)
-      activesupport (= 7.0.4.2)
-    activerecord (7.0.4.2)
-      activemodel (= 7.0.4.2)
-      activesupport (= 7.0.4.2)
-    activesupport (7.0.4.2)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    concurrent-ruby (1.2.0)
-    diff-lcs (1.5.0)
-    gemika (0.8.1)
-    i18n (1.12.0)
-      concurrent-ruby (~> 1.0)
-    minitest (5.17.0)
-    pg (1.4.5)
-    rake (13.0.6)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.0)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.3)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
-    tzinfo (2.0.5)
-      concurrent-ruby (~> 1.0)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 7.0.3)
-  gemika
-  pg
-  rake
-  rspec (~> 3.4)
-
-BUNDLED WITH
-   2.4.5
diff --git a/Gemfile.7.0.sqlite3.lock b/Gemfile.7.0.sqlite3.lock
deleted file mode 100644
index d04e530..0000000
--- a/Gemfile.7.0.sqlite3.lock
+++ /dev/null
@@ -1,58 +0,0 @@
-PATH
-  remote: .
-  specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activemodel (7.0.4.3)
-      activesupport (= 7.0.4.3)
-    activerecord (7.0.4.3)
-      activemodel (= 7.0.4.3)
-      activesupport (= 7.0.4.3)
-    activesupport (7.0.4.3)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      tzinfo (~> 2.0)
-    concurrent-ruby (1.2.2)
-    diff-lcs (1.5.0)
-    gemika (0.8.1)
-    i18n (1.13.0)
-      concurrent-ruby (~> 1.0)
-    mini_portile2 (2.8.1)
-    minitest (5.18.0)
-    rake (13.0.6)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.0)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.3)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
-    sqlite3 (1.6.0)
-      mini_portile2 (~> 2.8.0)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  active_type!
-  activerecord (~> 7.0.3)
-  gemika
-  rake
-  rspec (~> 3.4)
-  sqlite3
-
-BUNDLED WITH
-   2.4.5
diff --git a/Gemfile.7.1.pg.lock b/Gemfile.7.1.pg.lock
index cc6eedb..92df49b 100644
--- a/Gemfile.7.1.pg.lock
+++ b/Gemfile.7.1.pg.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.7.1.sqlite3.lock b/Gemfile.7.1.sqlite3.lock
index 75d6863..d76b464 100644
--- a/Gemfile.7.1.sqlite3.lock
+++ b/Gemfile.7.1.sqlite3.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.5.2.mysql2 b/Gemfile.7.2.mysql2
similarity index 80%
rename from Gemfile.5.2.mysql2
rename to Gemfile.7.2.mysql2
index ea31488..d093f28 100644
--- a/Gemfile.5.2.mysql2
+++ b/Gemfile.7.2.mysql2
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'activerecord', '~>5.1.0'
+gem 'activerecord', '~>7.2.0'
 gem 'rspec', '~>3.4'
 gem 'mysql2'
 gem 'rake'
diff --git a/Gemfile.7.2.mysql2.lock b/Gemfile.7.2.mysql2.lock
new file mode 100644
index 0000000..0d08ae1
--- /dev/null
+++ b/Gemfile.7.2.mysql2.lock
@@ -0,0 +1,73 @@
+PATH
+  remote: .
+  specs:
+    active_type (2.6.0)
+      activerecord (>= 6.1)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activemodel (7.2.2.1)
+      activesupport (= 7.2.2.1)
+    activerecord (7.2.2.1)
+      activemodel (= 7.2.2.1)
+      activesupport (= 7.2.2.1)
+      timeout (>= 0.4.0)
+    activesupport (7.2.2.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+    base64 (0.2.0)
+    benchmark (0.4.0)
+    bigdecimal (3.1.8)
+    concurrent-ruby (1.3.4)
+    connection_pool (2.4.1)
+    diff-lcs (1.5.1)
+    drb (2.2.1)
+    gemika (0.8.3)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    logger (1.6.4)
+    minitest (5.25.4)
+    mysql2 (0.5.6)
+    rake (13.2.1)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.2)
+    securerandom (0.4.1)
+    timeout (0.4.3)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+
+PLATFORMS
+  ruby
+  x86_64-linux
+
+DEPENDENCIES
+  active_type!
+  activerecord (~> 7.2.0)
+  gemika
+  mysql2
+  rake
+  rspec (~> 3.4)
+
+BUNDLED WITH
+   2.6.1
diff --git a/Gemfile.7.2.pg.lock b/Gemfile.7.2.pg.lock
index 9a62115..2e2fa30 100644
--- a/Gemfile.7.2.pg.lock
+++ b/Gemfile.7.2.pg.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.7.2.sqlite3.lock b/Gemfile.7.2.sqlite3.lock
index fd80aef..76251df 100644
--- a/Gemfile.7.2.sqlite3.lock
+++ b/Gemfile.7.2.sqlite3.lock
@@ -1,8 +1,8 @@
 PATH
   remote: .
   specs:
-    active_type (2.5.1)
-      activerecord (>= 3.2)
+    active_type (2.6.0)
+      activerecord (>= 6.1)
 
 GEM
   remote: https://rubygems.org/
diff --git a/Gemfile.7.0.sqlite3 b/Gemfile.8.0.sqlite3
similarity index 80%
rename from Gemfile.7.0.sqlite3
rename to Gemfile.8.0.sqlite3
index a48447a..9496663 100644
--- a/Gemfile.7.0.sqlite3
+++ b/Gemfile.8.0.sqlite3
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'activerecord', '~>7.0.3'
+gem 'activerecord', '~>8.0.0'
 gem 'rspec', '~>3.4'
 gem 'sqlite3'
 gem 'rake'
diff --git a/Gemfile.8.0.sqlite3.lock b/Gemfile.8.0.sqlite3.lock
new file mode 100644
index 0000000..7f23d0d
--- /dev/null
+++ b/Gemfile.8.0.sqlite3.lock
@@ -0,0 +1,84 @@
+PATH
+  remote: .
+  specs:
+    active_type (2.6.0)
+      activerecord (>= 6.1)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    activemodel (8.0.1)
+      activesupport (= 8.0.1)
+    activerecord (8.0.1)
+      activemodel (= 8.0.1)
+      activesupport (= 8.0.1)
+      timeout (>= 0.4.0)
+    activesupport (8.0.1)
+      base64
+      benchmark (>= 0.3)
+      bigdecimal
+      concurrent-ruby (~> 1.0, >= 1.3.1)
+      connection_pool (>= 2.2.5)
+      drb
+      i18n (>= 1.6, < 2)
+      logger (>= 1.4.2)
+      minitest (>= 5.1)
+      securerandom (>= 0.3)
+      tzinfo (~> 2.0, >= 2.0.5)
+      uri (>= 0.13.1)
+    base64 (0.2.0)
+    benchmark (0.4.0)
+    bigdecimal (3.1.8)
+    concurrent-ruby (1.3.4)
+    connection_pool (2.4.1)
+    diff-lcs (1.5.1)
+    drb (2.2.1)
+    gemika (0.8.3)
+    i18n (1.14.6)
+      concurrent-ruby (~> 1.0)
+    logger (1.6.4)
+    minitest (5.25.4)
+    rake (13.2.1)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.2)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.3)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.2)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.2)
+    securerandom (0.4.1)
+    sqlite3 (2.4.1-aarch64-linux-gnu)
+    sqlite3 (2.4.1-arm-linux-gnu)
+    sqlite3 (2.4.1-arm64-darwin)
+    sqlite3 (2.4.1-x86-linux-gnu)
+    sqlite3 (2.4.1-x86_64-darwin)
+    sqlite3 (2.4.1-x86_64-linux-gnu)
+    timeout (0.4.3)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
+    uri (1.0.2)
+
+PLATFORMS
+  aarch64-linux
+  arm-linux
+  arm64-darwin
+  x86-linux
+  x86_64-darwin
+  x86_64-linux
+
+DEPENDENCIES
+  active_type!
+  activerecord (~> 8.0.0)
+  gemika
+  rake
+  rspec (~> 3.4)
+  sqlite3
+
+BUNDLED WITH
+   2.6.1
diff --git a/README.md b/README.md
index 04a9051..56fbd08 100644
--- a/README.md
+++ b/README.md
@@ -434,14 +434,14 @@ Now, if you load `credentials`, you will automatically receive records of type `
 Supported Rails versions
 ------------------------
 
-ActiveType is tested against ActiveRecord 5.2, 6.0, 6.1, and 7.0.
+ActiveType is tested against ActiveRecord 6.1, 7.1, 7.2, 8.0.
 
 Later versions might work, earlier will not.
 
 Supported Ruby versions
 ------------------------
 
-ActiveType is tested against 2.5, 2.7, 3.0, and 3.1.
+ActiveType is tested against Ruby 2.7+.
 
 
 Installation
diff --git a/active_type.gemspec b/active_type.gemspec
index 5f482d7..143e662 100644
--- a/active_type.gemspec
+++ b/active_type.gemspec
@@ -25,7 +25,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "bundler", ">= 1.5"
   s.add_development_dependency "rake"
 
-  s.add_runtime_dependency('activerecord', '>= 3.2')
+  s.add_runtime_dependency('activerecord', '>= 6.1')
 
-  s.required_ruby_version = '>= 2.5.0'
+  s.required_ruby_version = '>= 2.7.0'
 end
diff --git a/lib/active_type/version.rb b/lib/active_type/version.rb
index 33fb0f9..4ca3666 100644
--- a/lib/active_type/version.rb
+++ b/lib/active_type/version.rb
@@ -1,3 +1,3 @@
 module ActiveType
-  VERSION = '2.5.1'
+  VERSION = '2.6.0'
 end