diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a9410b85d..a695366585 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ This is the log of notable changes to EAS CLI and related packages.
 
 ### 🐛 Bug fixes
 
+- [expo-cocoapods-proxy] Fix iOS worker tarball build failing on macOS Tahoe due to bundler incompatibility with RubyGems 4. ([#3824](https://github.com/expo/eas-cli/pull/3824) by [@gwdp](https://github.com/gwdp))
+
 ### 🧹 Chores
 
 ## [20.1.0](https://github.com/expo/eas-cli/releases/tag/v20.1.0) - 2026-06-05
diff --git a/packages/expo-cocoapods-proxy/Gemfile.lock b/packages/expo-cocoapods-proxy/Gemfile.lock
index 99b83005c5..b59ab3bc8a 100644
--- a/packages/expo-cocoapods-proxy/Gemfile.lock
+++ b/packages/expo-cocoapods-proxy/Gemfile.lock
@@ -131,7 +131,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bundler (~> 1.17)
+  bundler (>= 2.4)
   cocoapods (~> 1.12)
   expo-cocoapods-proxy!
   rake (~> 10.0)
@@ -139,4 +139,4 @@ DEPENDENCIES
   rubocop (~> 1.48)
 
 BUNDLED WITH
-   2.1.4
+  4.0.13
diff --git a/packages/expo-cocoapods-proxy/expo-cocoapods-proxy.gemspec b/packages/expo-cocoapods-proxy/expo-cocoapods-proxy.gemspec
index f351796e7f..39e5b987c4 100644
--- a/packages/expo-cocoapods-proxy/expo-cocoapods-proxy.gemspec
+++ b/packages/expo-cocoapods-proxy/expo-cocoapods-proxy.gemspec
@@ -32,7 +32,7 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.add_development_dependency 'bundler', '~> 1.17'
+  spec.add_development_dependency 'bundler', '>= 2.4'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
 end