diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 65d20da..7f98f8e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu]
-        ruby-version: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3"]
+        ruby-version: ["2.6", "2.7", "3.0", "3.1", "3.2", "3.3", "3.4"]
     steps:
       - uses: actions/checkout@v2
       - name: Setup Ruby ${{ matrix.ruby-version }}
@@ -19,6 +19,6 @@ jobs:
           bundler-cache: true
       - name: Build and run tests
         run: |
-          gem install bundler -v 2.4.6
+          gem install bundler -v 2.4.22
           bundle install --jobs 4 --retry 3
           bundle exec rake
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index f0b68db..e101f19 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2025-10-09 00:04:06 UTC using RuboCop version 1.81.1.
+# on 2025-10-17 11:20:00 UTC using RuboCop version 1.81.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -40,7 +40,7 @@ Metrics/AbcSize:
 # Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
 # AllowedMethods: refine
 Metrics/BlockLength:
-  Max: 79
+  Max: 82
 
 # Offense count: 2
 # Configuration parameters: CountComments, CountAsOne, AllowedMethods, AllowedPatterns.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5af544c..4cbe885 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * [FEATURE: Add Skunk HTML Report](https://github.com/fastruby/skunk/pull/123)
 * [FEATURE: Add Skunk::Config class](https://github.com/fastruby/skunk/pull/123)
+* [FEATURE: Add Ruby 3.4 compatibility](https://github.com/fastruby/skunk/pull/124)
 
 ## v0.5.4 / 2025-05-05 [(commits)](https://github.com/fastruby/skunk/compare/v0.5.3...v0.5.4)
 
diff --git a/Gemfile b/Gemfile
index 6412983..52aa166 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,4 +9,3 @@ gemspec
 
 gem "reek", "~> 6.1"
 gem "rubocop", "~> 1.48"
-gem "vcr", "~> 6.1.0"
diff --git a/skunk.gemspec b/skunk.gemspec
index 732e68b..f68c820 100644
--- a/skunk.gemspec
+++ b/skunk.gemspec
@@ -52,5 +52,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rubocop"
   spec.add_development_dependency "simplecov", "~> 0.18"
   spec.add_development_dependency "simplecov-console", "0.5.0"
-  spec.add_development_dependency "webmock", "~> 3.10.0"
+  spec.add_development_dependency "webmock", "~> 3.20.0"
 end
diff --git a/test/lib/skunk/application_test.rb b/test/lib/skunk/application_test.rb
index 41e369f..4f24063 100644
--- a/test/lib/skunk/application_test.rb
+++ b/test/lib/skunk/application_test.rb
@@ -75,9 +75,12 @@
       end
 
       around do |example|
-        VCR.use_cassette "skunk-fyi" do
-          example.call
-        end
+        stub_request(:post, "https://skunk.fastruby.io/reports").to_return(
+          status: 200,
+          body: '{"id":"j"}',
+          headers: { "Content-Type" => "application/json" }
+        )
+        example.call
       end
 
       it "share report to default server" do
diff --git a/test/samples/vcr/skunk-fyi.yml b/test/samples/vcr/skunk-fyi.yml
deleted file mode 100644
index e022369..0000000
--- a/test/samples/vcr/skunk-fyi.yml
+++ /dev/null
@@ -1,59 +0,0 @@
----
-http_interactions:
-- request:
-    method: post
-    uri: https://skunk.fastruby.io/reports
-    body:
-      encoding: UTF-8
-      string: '{"entries":[{"file":"samples/rubycritic/analysed_module.rb","skunk_score":0.59,"churn_times_cost":0.59,"churn":1,"cost":0.59,"coverage":100.0}],"summary":{"total_skunk_score":0.59,"analysed_modules_count":1,"skunk_score_average":0.59,"skunk_version":"0.4.2","worst_skunk_score":{"file":"samples/rubycritic/analysed_module.rb","skunk_score":0.59}},"options":{"compare":"false"}}'
-    headers:
-      Accept-Encoding:
-      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
-      Accept:
-      - "*/*"
-      User-Agent:
-      - Ruby
-      Host:
-      - skunk.fastruby.io
-  response:
-    status:
-      code: 200
-      message: OK
-    headers:
-      Server:
-      - Cowboy
-      Date:
-      - Wed, 18 Nov 2020 20:48:58 GMT
-      Connection:
-      - keep-alive
-      X-Frame-Options:
-      - SAMEORIGIN
-      X-Xss-Protection:
-      - 1; mode=block
-      X-Content-Type-Options:
-      - nosniff
-      X-Download-Options:
-      - noopen
-      X-Permitted-Cross-Domain-Policies:
-      - none
-      Referrer-Policy:
-      - strict-origin-when-cross-origin
-      Content-Type:
-      - application/json; charset=utf-8
-      Etag:
-      - W/"510d9374d13d569167428b81cfd4cf0e"
-      Cache-Control:
-      - max-age=0, private, must-revalidate
-      X-Request-Id:
-      - b66077d1-4f4c-47a6-8e12-1a6c65898933
-      X-Runtime:
-      - '0.141992'
-      Transfer-Encoding:
-      - chunked
-      Via:
-      - 1.1 vegur
-    body:
-      encoding: UTF-8
-      string: '{"id":"j"}'
-  recorded_at: Wed, 18 Nov 2020 20:48:58 GMT
-recorded_with: VCR 6.0.0
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 838c098..1b63517 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -26,7 +26,6 @@
 require "minitest/around/spec"
 require "minitest/stub_any_instance"
 require "webmock/minitest"
-require "vcr"
 
 require "skunk/rubycritic/analysed_module"
 
@@ -52,9 +51,3 @@ def capture_output_streams
   $stdout = STDOUT
   $stderr = STDERR
 end
-
-VCR.configure do |config|
-  config.hook_into :webmock
-  config.allow_http_connections_when_no_cassette = false
-  config.cassette_library_dir = "test/samples/vcr"
-end