diff --git a/.github/workflows/gem-push.yml b/.github/workflows/gem-push.yml
index aa97e97..a6e76c3 100644
--- a/.github/workflows/gem-push.yml
+++ b/.github/workflows/gem-push.yml
@@ -18,6 +18,7 @@ on:
 
 permissions:
   contents: read
+  id-token: write
   packages: write
 
 jobs:
@@ -40,16 +41,13 @@ jobs:
       - name: Build gem
         run: gem build active_cipher_storage.gemspec
 
+      - name: Configure RubyGems credentials
+        if: github.event_name == 'release' || inputs.publish_to_rubygems
+        uses: rubygems/configure-rubygems-credentials@v1.0.0
+
       - name: Publish to RubyGems
         if: github.event_name == 'release' || inputs.publish_to_rubygems
-        env:
-          GEM_HOST_API_KEY: "${{ secrets.RUBYGEMS_AUTH_TOKEN }}"
-        run: |
-          mkdir -p "$HOME/.gem"
-          touch "$HOME/.gem/credentials"
-          chmod 0600 "$HOME/.gem/credentials"
-          printf -- "---\n:rubygems_api_key: %s\n" "$GEM_HOST_API_KEY" > "$HOME/.gem/credentials"
-          gem push active_cipher_storage-*.gem
+        run: gem push active_cipher_storage-*.gem
 
       - name: Publish to GitHub Packages
         if: inputs.publish_to_github_packages
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 77efda9..9a15204 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -32,10 +32,26 @@ jobs:
       - name: Run tests
         run: bundle exec rake
 
+  lint:
+    name: RuboCop
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.2"
+          bundler-cache: true
+
+      - name: Run RuboCop
+        run: bundle exec rubocop
+
   build:
     name: Build gem
     runs-on: ubuntu-latest
-    needs: test
+    needs: [test, lint]
 
     steps:
       - uses: actions/checkout@v4
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..f5ef90a
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,132 @@
+AllCops:
+  NewCops: enable
+  SuggestExtensions: false
+  TargetRubyVersion: 3.2
+  Exclude:
+    - "coverage/**/*"
+    - "pkg/**/*"
+    - "vendor/**/*"
+    - ".worktrees/**/*"
+    - "examples/**/*"
+
+Style/Documentation:
+  Enabled: false
+
+Metrics/BlockLength:
+  Exclude:
+    - "active_cipher_storage.gemspec"
+    - "spec/**/*"
+
+Bundler/OrderedGems:
+  Enabled: false
+
+Gemspec/DevelopmentDependencies:
+  Enabled: false
+
+Gemspec/OrderedDependencies:
+  Enabled: false
+
+Layout/ArgumentAlignment:
+  Enabled: false
+
+Layout/EmptyLineAfterGuardClause:
+  Enabled: false
+
+Layout/ExtraSpacing:
+  Enabled: false
+
+Layout/FirstArgumentIndentation:
+  Enabled: false
+
+Layout/FirstHashElementIndentation:
+  Enabled: false
+
+Layout/HashAlignment:
+  Enabled: false
+
+Layout/LineEndStringConcatenationIndentation:
+  Enabled: false
+
+Layout/MultilineMethodCallBraceLayout:
+  Enabled: false
+
+Layout/SpaceAroundOperators:
+  Enabled: false
+
+Lint/AmbiguousOperatorPrecedence:
+  Enabled: false
+
+Lint/ConstantDefinitionInBlock:
+  Enabled: false
+
+Lint/EmptyBlock:
+  Enabled: false
+
+Lint/MissingSuper:
+  Enabled: false
+
+Lint/UnusedMethodArgument:
+  Enabled: false
+
+Metrics/AbcSize:
+  Enabled: false
+
+Metrics/ClassLength:
+  Enabled: false
+
+Metrics/CyclomaticComplexity:
+  Enabled: false
+
+Metrics/MethodLength:
+  Enabled: false
+
+Metrics/ParameterLists:
+  Enabled: false
+
+Naming/BlockForwarding:
+  Enabled: false
+
+Naming/MethodParameterName:
+  Enabled: false
+
+Naming/RescuedExceptionsVariableName:
+  Enabled: false
+
+Style/ArgumentsForwarding:
+  Enabled: false
+
+Style/BitwisePredicate:
+  Enabled: false
+
+Style/BlockDelimiters:
+  Enabled: false
+
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
+Style/IfUnlessModifier:
+  Enabled: false
+
+Style/MultilineIfModifier:
+  Enabled: false
+
+Style/MultilineTernaryOperator:
+  Enabled: false
+
+Style/MutableConstant:
+  Enabled: false
+
+Style/RescueStandardError:
+  Enabled: false
+
+Style/StringConcatenation:
+  Enabled: false
+
+Style/StringLiterals:
+  Enabled: false
+
+Style/TrivialAccessors:
+  Enabled: false
+
+Style/YodaCondition:
+  Enabled: false
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 733bb61..cd1938d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,11 +7,11 @@ and this project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.ht
 
 ## [Unreleased]
 
-## [0.1.0] - 2026-04-25
+## [1.0.0] - 2026-04-25
 
 ### Added
 
-- Initial ActiveCipherStorage gem implementation.
+- Initial public ActiveCipherStorage gem release.
 - Transparent Rails Active Storage encryption service.
 - Direct S3 encrypted upload, download, streaming, and multipart support.
 - Backend-managed encrypted multipart uploads for frontend chunk upload flows.
@@ -20,5 +20,5 @@ and this project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.ht
 - Header-only key rotation for re-wrapping encrypted DEKs.
 - Unit and integration coverage for crypto, providers, Active Storage, S3, multipart upload, streaming, metadata, and key rotation.
 
-[Unreleased]: https://github.com/codebyjass/active-cipher-storage/compare/v0.1.0...HEAD
-[0.1.0]: https://github.com/codebyjass/active-cipher-storage/releases/tag/v0.1.0
+[Unreleased]: https://github.com/codebyjass/active-cipher-storage/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/codebyjass/active-cipher-storage/releases/tag/v1.0.0
diff --git a/Gemfile.lock b/Gemfile.lock
index fd6c558..af484cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    active_cipher_storage (0.1.0)
+    active_cipher_storage (1.0.0)
       concurrent-ruby (~> 1.2)
 
 GEM
@@ -51,6 +51,7 @@ GEM
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
       uri (>= 0.13.1)
+    ast (2.4.3)
     aws-eventstream (1.4.0)
     aws-partitions (1.1240.0)
     aws-sdk-core (3.245.0)
@@ -88,6 +89,8 @@ GEM
       concurrent-ruby (~> 1.0)
     jmespath (1.6.2)
     json (2.19.4)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
     logger (1.7.0)
     loofah (2.25.1)
       crass (~> 1.0.2)
@@ -100,6 +103,10 @@ GEM
       racc (~> 1.4)
     nokogiri (1.19.2-x86_64-linux-gnu)
       racc (~> 1.4)
+    parallel (1.28.0)
+    parser (3.3.11.1)
+      ast (~> 2.4.1)
+      racc
     prism (1.9.0)
     racc (1.8.1)
     rack (3.2.6)
@@ -115,7 +122,9 @@ GEM
     rails-html-sanitizer (1.7.0)
       loofah (~> 2.25)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    rainbow (3.1.1)
     rake (13.4.2)
+    regexp_parser (2.12.0)
     rspec (3.13.2)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -129,6 +138,21 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.7)
+    rubocop (1.86.1)
+      json (~> 2.3)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
+      parallel (>= 1.10)
+      parser (>= 3.3.0.2)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 2.9.3, < 3.0)
+      rubocop-ast (>= 1.49.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 4.0)
+    rubocop-ast (1.49.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.7)
+    ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     simplecov (0.22.0)
       docile (~> 1.1)
@@ -139,6 +163,9 @@ GEM
     timeout (0.6.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.2.0)
     uri (1.1.1)
     useragent (0.16.11)
 
@@ -157,6 +184,7 @@ DEPENDENCIES
   rake (~> 13.0)
   rspec (~> 3.12)
   rspec-mocks (~> 3.12)
+  rubocop (~> 1.0)
   simplecov (~> 0.22)
 
 BUNDLED WITH
diff --git a/Rakefile b/Rakefile
index a0a35e5..dbabdae 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,8 +1,12 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
+require "rubocop/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 RSpec::Core::RakeTask.new("spec:unit")    { |t| t.pattern = "spec/unit/**/*_spec.rb" }
 RSpec::Core::RakeTask.new("spec:integration") { |t| t.pattern = "spec/integration/**/*_spec.rb" }
+RuboCop::RakeTask.new(:rubocop)
+
+task lint: :rubocop
 
 task default: :spec
diff --git a/active_cipher_storage.gemspec b/active_cipher_storage.gemspec
index cff2fc8..84d8db3 100644
--- a/active_cipher_storage.gemspec
+++ b/active_cipher_storage.gemspec
@@ -48,6 +48,7 @@ Gem::Specification.new do |spec|
   # Dev/test
   spec.add_development_dependency "rspec",            "~> 3.12"
   spec.add_development_dependency "rspec-mocks",      "~> 3.12"
+  spec.add_development_dependency "rubocop",          "~> 1.0"
   spec.add_development_dependency "simplecov",        "~> 0.22"
   spec.add_development_dependency "faker",            "~> 3.0"
   spec.add_development_dependency "rake",             "~> 13.0"
diff --git a/lib/active_cipher_storage/version.rb b/lib/active_cipher_storage/version.rb
index 36475de..35c7887 100644
--- a/lib/active_cipher_storage/version.rb
+++ b/lib/active_cipher_storage/version.rb
@@ -1,3 +1,3 @@
 module ActiveCipherStorage
-  VERSION = "0.1.0"
+  VERSION = "1.0.0"
 end