diff --git a/Gemfile b/Gemfile
index 4f1dcf36..18343cc2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "opal", "~> 1.7"
+gem "opal", "~> 1.8.2"
 gem "opal-browser"
 gem "middleman"
 gem "middleman-livereload"
diff --git a/Gemfile.lock b/Gemfile.lock
index 075e9558..678af602 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -256,7 +256,7 @@ DEPENDENCIES
   middleman-gh-pages
   middleman-livereload
   middleman-syntax
-  opal (~> 1.7)
+  opal (~> 1.8.2)
   opal-browser
   puma
   redcarpet
diff --git a/app/ruby_engine.rb b/app/ruby_engine.rb
index e75d41f5..86c0871c 100644
--- a/app/ruby_engine.rb
+++ b/app/ruby_engine.rb
@@ -50,7 +50,7 @@ def loading(part = nil)
       "3.2.2"
     ),
     # Opal.new,
-    OpalWebWorker.new("1.7.1"),
+    OpalWebWorker.new("1.8.2"),
   ].each_with_object({}) do |engine, hash|
     hash[engine.engine_id] = engine
   end
diff --git a/spec/playground_spec.rb b/spec/playground_spec.rb
index 27cbb75c..e154b813 100644
--- a/spec/playground_spec.rb
+++ b/spec/playground_spec.rb
@@ -2,7 +2,7 @@
 
 RSpec.describe "Playground", type: :feature, js: true do
   context "engine" do
-    engines = ["opal-ww-1.7.1", "cruby-3.2.2", "cruby-3.3.0"]
+    engines = ["opal-ww-1.8.2", "cruby-3.2.2", "cruby-3.3.0"]
     engines.each do |engine|
       context engine do
         before :each do