diff --git a/.gitignore b/.gitignore
index 8c050aad..eb3cbc2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@ Gemfile.lock
 temporalio/test/golangworker/golangworker
 temporalio/.yardoc
 temporalio/doc
-temporalio/pkg
\ No newline at end of file
+temporalio/pkg
+temporalio/lib/temporalio/internal/bridge/temporalio_bridge.bundle
diff --git a/temporalio/.rubocop.yml b/temporalio/.rubocop.yml
index 3e0f467a..34517dc0 100644
--- a/temporalio/.rubocop.yml
+++ b/temporalio/.rubocop.yml
@@ -4,7 +4,7 @@ inherit_mode:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 3.1
+  TargetRubyVersion: 3.2
   SuggestExtensions: false
   Exclude:
     - ext/**/*
@@ -18,11 +18,6 @@ AllCops:
 # Keep cop rule settings in alphabetical order. For each rule setting, provide
 # justification for the change from default.
 
-# Temporarily disabled per https://github.com/rake-compiler/rake-compiler-dock/issues/145#issuecomment-2596848639
-# until that is fixed
-Gemspec/RequiredRubyVersion:
-  Enabled: false
-
 # We want our classes in a certain order
 Layout/ClassStructure:
   Enabled: true
@@ -105,4 +100,4 @@ Style/RequireOrder:
 
 # We are ok with large amount of keyword args
 Metrics/ParameterLists:
-  CountKeywordArgs: false
\ No newline at end of file
+  CountKeywordArgs: false
diff --git a/temporalio/.tool-versions b/temporalio/.tool-versions
new file mode 100644
index 00000000..9f00cc14
--- /dev/null
+++ b/temporalio/.tool-versions
@@ -0,0 +1 @@
+ruby 3.3.7
diff --git a/temporalio/temporalio.gemspec b/temporalio/temporalio.gemspec
index 6222fdd3..b989a75e 100644
--- a/temporalio/temporalio.gemspec
+++ b/temporalio/temporalio.gemspec
@@ -23,6 +23,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
   spec.extensions = ['ext/Cargo.toml']
   spec.metadata['rubygems_mfa_required'] = 'true'
+  spec.required_ruby_version = '>= 3.2.0'
 
   spec.add_dependency 'google-protobuf', '>= 3.25.0'
   spec.add_dependency 'logger'
diff --git a/temporalio/test/contrib/open_telemetry_test.rb b/temporalio/test/contrib/open_telemetry_test.rb
index e8dd7a57..fed1eaa1 100644
--- a/temporalio/test/contrib/open_telemetry_test.rb
+++ b/temporalio/test/contrib/open_telemetry_test.rb
@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require 'opentelemetry/sdk'
-require 'set'
 require 'temporalio/contrib/open_telemetry'
 require 'test'