diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12f698b..e293304 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
     branches: ["main"]
 
 env:
-  RUBY_MAIN_VERSION: '3.2'
+  RUBY_MAIN_VERSION: "3.3"
 
 jobs:
   rubocop:
@@ -16,7 +16,7 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Install Ruby and gems
-        uses: ruby/setup-ruby@319066216501fbd5e2d568f14b7d68c19fb67a5d #v1.133.1
+        uses: ruby/setup-ruby@360dc864d5da99d54fcb8e9148c14a84b90d3e88 #v1.165.1
         with:
           bundler-cache: true
           ruby-version: ${{ env.RUBY_MAIN_VERSION }}.0
@@ -31,12 +31,12 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        ruby_version: ['2.7', '3.0', '3.1', '3.2']
+        ruby_version: ["3.0", "3.1", "3.2", "3.3"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Install Ruby and gems
-        uses: ruby/setup-ruby@319066216501fbd5e2d568f14b7d68c19fb67a5d #v1.133.1
+        uses: ruby/setup-ruby@360dc864d5da99d54fcb8e9148c14a84b90d3e88 #v1.165.1
         with:
           bundler-cache: true
           ruby-version: ${{ matrix.ruby_version }}
@@ -47,7 +47,6 @@ jobs:
         run: |
           curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
           chmod +x ./cc-test-reporter
-          ./cc-test-reporter before-build
       - name: Bundle Install
         run: bundle install
       - name: Test
@@ -55,7 +54,8 @@ jobs:
       - name: Publish Codeclimate Code Coverage
         if: ${{ matrix.ruby_version == env.RUBY_MAIN_VERSION }}
         run: |
-          ./cc-test-reporter after-build -r ${{secrets.CC_TEST_REPORTER_ID}}
+          ./cc-test-reporter format-coverage -t lcov
+          ./cc-test-reporter upload-coverage -r ${{secrets.CC_TEST_REPORTER_ID}}
       - name: Coveralls Parallel
         if: ${{ matrix.ruby_version == env.RUBY_MAIN_VERSION }}
         uses: coverallsapp/github-action@master
diff --git a/.gitignore b/.gitignore
index 8b4fdbb..308dbbf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,4 +45,4 @@ pkg
 .ruby-version
 .ruby-gemset
 Gemfile.lock
-
+cc-test-reporter
diff --git a/README.md b/README.md
index 9099610..7a63dcd 100644
--- a/README.md
+++ b/README.md
@@ -8,12 +8,16 @@ Version" />](https://badge.fury.io/rb/rds-rotate-db-snapshots) [![CI](https://gi
 Provides a simple way to rotate db snapshots in Amazon Relational Database
 Service (RDS).
 
+## Version 1.0.0 changes
+
+Removed support for ruby < 3.0.0
+
 ## Tested on Rubies
 
-- 2.7
 - 3.0
 - 3.1
 - 3.2
+- 3.3
 
 ## Usage
 
diff --git a/VERSION b/VERSION
index cb0c939..3eefcb9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.5.2
+1.0.0
diff --git a/rds-rotate-db-snapshots.gemspec b/rds-rotate-db-snapshots.gemspec
index 200f07f..67985e3 100644
--- a/rds-rotate-db-snapshots.gemspec
+++ b/rds-rotate-db-snapshots.gemspec
@@ -2,16 +2,16 @@
 # DO NOT EDIT THIS FILE DIRECTLY
 # Instead, edit Juwelier::Tasks in Rakefile, and run 'rake gemspec'
 # -*- encoding: utf-8 -*-
-# stub: rds-rotate-db-snapshots 0.5.2 ruby lib
+# stub: rds-rotate-db-snapshots 1.0.0 ruby lib
 
 Gem::Specification.new do |s|
   s.name = "rds-rotate-db-snapshots".freeze
-  s.version = "0.5.2"
+  s.version = "1.0.0".freeze
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.require_paths = ["lib".freeze]
   s.authors = ["Siarhei Kavaliou".freeze]
-  s.date = "2023-01-11"
+  s.date = "2024-01-02"
   s.description = "Provides a simple way to rotate RDS DB snapshots with configurable retention periods.".freeze
   s.email = "kovserg@gmail.com".freeze
   s.executables = ["rds-rotate-db-snapshots".freeze]
@@ -21,16 +21,21 @@ Gem::Specification.new do |s|
   ]
   s.files = [
     ".document",
+    ".github/ISSUE_TEMPLATE/bug_report.md",
+    ".github/ISSUE_TEMPLATE/feature_request.md",
     ".github/dependabot.yml",
     ".github/workflows/ci.yml",
     ".github/workflows/codeql.yml",
     ".rspec",
     ".rubocop.yml",
     ".rubocop_todo.yml",
+    "CODE_OF_CONDUCT.md",
+    "CONTRIBUTING.md",
     "Gemfile",
     "LICENSE.txt",
     "README.md",
     "Rakefile",
+    "SECURITY.md",
     "VERSION",
     "bin/rds-rotate-db-snapshots",
     "lib/rds_rotate_db_snapshots.rb",
@@ -49,17 +54,17 @@ Gem::Specification.new do |s|
   ]
   s.homepage = "http://github.com/serg-kovalev/rds-rotate-db-snapshots".freeze
   s.licenses = ["MIT".freeze]
-  s.rubygems_version = "3.4.1".freeze
+  s.rubygems_version = "3.5.3".freeze
   s.summary = "Amazon RDS DB snapshot rotator".freeze
 
   s.specification_version = 4
 
-  s.add_runtime_dependency(%q<aws-sdk-rds>.freeze, ["~> 1"])
-  s.add_development_dependency(%q<rake>.freeze, [">= 0"])
-  s.add_development_dependency(%q<juwelier>.freeze, [">= 0"])
-  s.add_development_dependency(%q<pry>.freeze, [">= 0"])
-  s.add_development_dependency(%q<pry-byebug>.freeze, [">= 0"])
-  s.add_development_dependency(%q<rubocop>.freeze, [">= 0"])
-  s.add_development_dependency(%q<rubocop-rspec>.freeze, [">= 0"])
+  s.add_runtime_dependency(%q<aws-sdk-rds>.freeze, ["~> 1".freeze])
+  s.add_development_dependency(%q<rake>.freeze, [">= 0".freeze])
+  s.add_development_dependency(%q<juwelier>.freeze, [">= 0".freeze])
+  s.add_development_dependency(%q<pry>.freeze, [">= 0".freeze])
+  s.add_development_dependency(%q<pry-byebug>.freeze, [">= 0".freeze])
+  s.add_development_dependency(%q<rubocop>.freeze, [">= 0".freeze])
+  s.add_development_dependency(%q<rubocop-rspec>.freeze, [">= 0".freeze])
 end