diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec62b2d6..4240cc50 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,23 +25,14 @@ jobs:
           - '3.0'
           - '2.7'
           - '2.6'
-          - '2.5'
         rails:
           - rails_7.2
           - rails_7.1
           - rails_7.0
           - rails_6.1
           - rails_6.0
-          - rails_5.2
 
         exclude:
-          - ruby: '2.5'
-            rails: 'rails_7.0'
-          - ruby: '2.5'
-            rails: 'rails_7.1'
-          - ruby: '2.5'
-            rails: 'rails_7.2'
-
           - ruby: '2.6'
             rails: 'rails_7.0'
           - ruby: '2.6'
@@ -49,27 +40,14 @@ jobs:
           - ruby: '2.6'
             rails: 'rails_7.2'
 
-          - ruby: '2.7'
-            rails: 'rails_5.2'
           - ruby: '2.7'
             rails: 'rails_7.2'
 
-          - ruby: '3.0'
-            rails: 'rails_5.2'
           - ruby: '3.0'
             rails: 'rails_6.0'
           - ruby: '3.0'
             rails: 'rails_7.2'
 
-          - ruby: '3.1'
-            rails: 'rails_5.2'
-
-          - ruby: '3.2'
-            rails: 'rails_5.2'
-
-          - ruby: '3.3'
-            rails: 'rails_5.2'
-
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.rails }}.gemfile
 
@@ -103,23 +81,14 @@ jobs:
           - '3.0'
           - '2.7'
           - '2.6'
-          - '2.5'
         rails:
           - rails_7.2
           - rails_7.1
           - rails_7.0
           - rails_6.1
           - rails_6.0
-          - rails_5.2
 
         exclude:
-          - ruby: '2.5'
-            rails: 'rails_7.0'
-          - ruby: '2.5'
-            rails: 'rails_7.1'
-          - ruby: '2.5'
-            rails: 'rails_7.2'
-
           - ruby: '2.6'
             rails: 'rails_7.0'
           - ruby: '2.6'
@@ -127,27 +96,14 @@ jobs:
           - ruby: '2.6'
             rails: 'rails_7.2'
 
-          - ruby: '2.7'
-            rails: 'rails_5.2'
           - ruby: '2.7'
             rails: 'rails_7.2'
 
-          - ruby: '3.0'
-            rails: 'rails_5.2'
           - ruby: '3.0'
             rails: 'rails_6.0'
           - ruby: '3.0'
             rails: 'rails_7.2'
 
-          - ruby: '3.1'
-            rails: 'rails_5.2'
-
-          - ruby: '3.2'
-            rails: 'rails_5.2'
-
-          - ruby: '3.3'
-            rails: 'rails_5.2'
-
     env: # $BUNDLE_GEMFILE must be set at the job level, so it is set for all steps
       BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/${{ matrix.rails }}.gemfile
 
diff --git a/gemfiles/rails_5.2.gemfile b/gemfiles/rails_5.2.gemfile
deleted file mode 100644
index 883cdbb9..00000000
--- a/gemfiles/rails_5.2.gemfile
+++ /dev/null
@@ -1,25 +0,0 @@
-# This file was generated by Appraisal
-
-source "https://rubygems.org"
-
-gem "appraisal", git: "https://github.com/thoughtbot/appraisal.git"
-gem "aws-sdk-core"
-gem "aws-sdk-s3"
-gem "combustion"
-gem "fog-aws"
-gem "google-cloud-storage"
-gem "rails", "~> 5.2.0"
-gem "rake"
-gem "rspec_junit_formatter"
-gem "rspec"
-gem "rspec-rails"
-gem "simplecov"
-gem "sqlite3", "~> 1.5.0"
-gem "webmock"
-gem "nokogiri"
-
-group :test do
-  gem "byebug"
-end
-
-gemspec path: "../"