diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ef59763..8961a08 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -61,7 +61,6 @@ jobs:
         rails:
           - rails_7.1.0
           - rails_7.0.8
-          - rails_6.1.7
         adapter:
           - sqlite3
           - postgresql
diff --git a/ajax-datatables-rails.gemspec b/ajax-datatables-rails.gemspec
index 4d98273..1c2ddb1 100644
--- a/ajax-datatables-rails.gemspec
+++ b/ajax-datatables-rails.gemspec
@@ -24,6 +24,6 @@ Gem::Specification.new do |s|
 
   s.files = `git ls-files`.split("\n")
 
-  s.add_dependency 'rails', '>= 6.1'
+  s.add_dependency 'rails', '>= 7.0'
   s.add_dependency 'zeitwerk'
 end
diff --git a/appraisal.yml b/appraisal.yml
index 7622cce..0b1c73f 100644
--- a/appraisal.yml
+++ b/appraisal.yml
@@ -1,37 +1,4 @@
 ---
-6.1.7:
-  sqlite3:
-    version: ~> 1.5.0
-    install_if: '-> { ENV["DB_ADAPTER"] == "sqlite3" }'
-  mysql2:
-    version: ''
-    install_if: '-> { ENV["DB_ADAPTER"] == "mysql2" }'
-  activerecord-trilogy-adapter:
-    version: ''
-    install_if: '-> { ENV["DB_ADAPTER"] == "trilogy" }'
-  activerecord-oracle_enhanced-adapter:
-    version: ~> 6.1.0
-    install_if: '-> { ENV["DB_ADAPTER"] == "oracle_enhanced" }'
-  ruby-oci8:
-    version: ''
-    install_if: '-> { ENV["DB_ADAPTER"] == "oracle_enhanced" }'
-  activerecord-postgis-adapter:
-    version: ''
-    install_if: '-> { ENV["DB_ADAPTER"] == "postgis" }'
-  base64:
-    version: ''
-    install_if: '-> { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0") }'
-  bigdecimal:
-    version: ''
-    install_if: '-> { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0") }'
-  mutex_m:
-    version: ''
-    install_if: '-> { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0") }'
-  drb:
-    version: ''
-    install_if: '-> { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0") }'
-
-
 7.0.8:
   sqlite3:
     version: ~> 1.5.0
diff --git a/gemfiles/rails_6.1.7.gemfile b/gemfiles/rails_6.1.7.gemfile
deleted file mode 100644
index 894773d..0000000
--- a/gemfiles/rails_6.1.7.gemfile
+++ /dev/null
@@ -1,50 +0,0 @@
-# This file was generated by Appraisal
-
-source "https://rubygems.org"
-
-gem "appraisal", git: "https://github.com/n-rodriguez/appraisal.git", branch: "wip/combustion"
-gem "combustion"
-gem "database_cleaner"
-gem "factory_bot"
-gem "faker"
-gem "generator_spec"
-gem "guard-rspec"
-gem "pg"
-gem "pry"
-gem "puma"
-gem "rake"
-gem "rspec"
-gem "rspec-retry"
-gem "rubocop"
-gem "simplecov"
-gem "rails", "6.1.7"
-
-install_if -> { ENV["DB_ADAPTER"] == "sqlite3" } do
-  gem "sqlite3", "~> 1.5.0"
-end
-
-install_if -> { ENV["DB_ADAPTER"] == "mysql2" } do
-  gem "mysql2"
-end
-
-install_if -> { ENV["DB_ADAPTER"] == "trilogy" } do
-  gem "activerecord-trilogy-adapter"
-end
-
-install_if -> { ENV["DB_ADAPTER"] == "oracle_enhanced" } do
-  gem "activerecord-oracle_enhanced-adapter", "~> 6.1.0"
-  gem "ruby-oci8"
-end
-
-install_if -> { ENV["DB_ADAPTER"] == "postgis" } do
-  gem "activerecord-postgis-adapter"
-end
-
-install_if -> { Gem::Version.new(RUBY_VERSION) >= Gem::Version.new("3.4.0") } do
-  gem "base64"
-  gem "bigdecimal"
-  gem "mutex_m"
-  gem "drb"
-end
-
-gemspec path: "../"