diff --git a/private/helloworld/Gemfile b/private/helloworld/Gemfile
index 5d3233e5f11b..e45e238cd323 100644
--- a/private/helloworld/Gemfile
+++ b/private/helloworld/Gemfile
@@ -5,7 +5,7 @@ ruby ">= 2.6.10"
 gem 'cocoapods', '~> 1.13', '!= 1.15.0', '!= 1.15.1'
 gem 'activesupport', '>= 6.1.7.5', '< 7.1.0'
 gem 'xcodeproj', '< 1.26.0'
-gem 'concurrent-ruby', '<= 1.3.4'
+gem 'concurrent-ruby', '<= 1.3.8'
 
 # Ruby 3.4.0 has removed some libraries from the standard library.
 gem 'bigdecimal'
diff --git a/private/helloworld/Gemfile.lock b/private/helloworld/Gemfile.lock
index 9474d107a687..c9322ac5cff4 100644
--- a/private/helloworld/Gemfile.lock
+++ b/private/helloworld/Gemfile.lock
@@ -58,7 +58,7 @@ GEM
       netrc (~> 0.11)
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.7)
     escape (0.0.4)
     ethon (0.16.0)
       ffi (>= 1.15.0)
@@ -101,9 +101,10 @@ DEPENDENCIES
   benchmark
   bigdecimal
   cocoapods (~> 1.13, != 1.15.1, != 1.15.0)
-  concurrent-ruby (<= 1.3.4)
+  concurrent-ruby (<= 1.3.8)
   logger
   mutex_m
+  nkf
   xcodeproj (< 1.26.0)
 
 RUBY VERSION