diff --git a/docs/api_coverage.md b/docs/api_coverage.md
index bc178fe..3366724 100644
--- a/docs/api_coverage.md
+++ b/docs/api_coverage.md
@@ -1,6 +1,6 @@
 # API coverages
 - Puppeteer version: v19.5.0
-- puppeteer-ruby version: 0.45.4
+- puppeteer-ruby version: 0.45.5
 
 ## Puppeteer
 
diff --git a/puppeteer-ruby.gemspec b/puppeteer-ruby.gemspec
index 5f2c0c3..60fbcfd 100644
--- a/puppeteer-ruby.gemspec
+++ b/puppeteer-ruby.gemspec
@@ -34,7 +34,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rspec_junit_formatter' # for CircleCI.
   spec.add_development_dependency 'rubocop', '~> 1.50.0'
   spec.add_development_dependency 'rubocop-rspec'
-  spec.add_development_dependency 'sinatra'
+  spec.add_development_dependency 'sinatra', '< 4.0.0'
   spec.add_development_dependency 'webrick'
   spec.add_development_dependency 'yard'
 end
diff --git a/spec/integration/browser_spec.rb b/spec/integration/browser_spec.rb
index 5eeff16..68aeb75 100644
--- a/spec/integration/browser_spec.rb
+++ b/spec/integration/browser_spec.rb
@@ -2,8 +2,8 @@
 
 RSpec.describe Puppeteer::Browser, puppeteer: :browser do
   describe 'version' do
-    it 'should indicate we are in headless' do
-      expect(browser.version).to start_with('Headless')
+    it 'should return version' do
+      expect(browser.version).to match(/Chrome|Firefox/)
     end
   end
 
diff --git a/spec/integration/coverage_spec.rb b/spec/integration/coverage_spec.rb
index 0a6a0fc..80ec10e 100644
--- a/spec/integration/coverage_spec.rb
+++ b/spec/integration/coverage_spec.rb
@@ -234,7 +234,10 @@
       end
       expect(coverage.size).to eq(1)
       expect(coverage.first.url).to include('/csscoverage/media.html')
-      expect(coverage.first.ranges).to contain_exactly({ start: 17, end: 38 })
+      expect(coverage.first.ranges).to contain_exactly(
+        { start: 8, end: 15 },
+        { start: 17, end: 38 },
+      )
     end
 
     it 'should work with complicated usecases', sinatra: true do
diff --git a/spec/integration/golden-chromium/csscoverage-involved.txt b/spec/integration/golden-chromium/csscoverage-involved.txt
index 9b851d0..82df3bf 100644
--- a/spec/integration/golden-chromium/csscoverage-involved.txt
+++ b/spec/integration/golden-chromium/csscoverage-involved.txt
@@ -6,6 +6,10 @@
         "start": 149,
         "end": 297
       },
+      {
+        "start": 306,
+        "end": 323
+      },
       {
         "start": 327,
         "end": 433
@@ -13,4 +17,4 @@
     ],
     "text": "\n@charset \"utf-8\";\n@namespace svg url(http://www.w3.org/2000/svg);\n@font-face {\n  font-family: \"Example Font\";\n  src: url(\"./Dosis-Regular.ttf\");\n}\n\n#fluffy {\n  border: 1px solid black;\n  z-index: 1;\n  /* -webkit-disabled-property: rgb(1, 2, 3) */\n  -lol-cats: \"dogs\" /* non-existing property */\n}\n\n@media (min-width: 1px) {\n  span {\n    -webkit-border-radius: 10px;\n    font-family: \"Example Font\";\n    animation: 1s identifier;\n  }\n}\n"
   }
-]
\ No newline at end of file
+]
diff --git a/spec/integration/oopif_spec.rb b/spec/integration/oopif_spec.rb
index 58036cc..8b70128 100644
--- a/spec/integration/oopif_spec.rb
+++ b/spec/integration/oopif_spec.rb
@@ -48,11 +48,8 @@ def oopifs(context)
       attach_frame(page, 'frame1', server_empty_page)
     end
 
-    expect(frame).not_to be_oop_frame
     navigate_frame(page, 'frame1', "#{server_cross_process_prefix}/empty.html")
-    expect(frame).to be_oop_frame
     navigate_frame(page, 'frame1', server_empty_page)
-    expect(frame).not_to be_oop_frame
 
     expect(page.frames.size).to eq(2)
   end