diff --git a/example/Gemfile b/example/Gemfile
index 60770b18..cdd8dce4 100644
--- a/example/Gemfile
+++ b/example/Gemfile
@@ -7,7 +7,7 @@ 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/example/Gemfile.lock b/example/Gemfile.lock
index ebdbf97b..265d088b 100644
--- a/example/Gemfile.lock
+++ b/example/Gemfile.lock
@@ -22,6 +22,7 @@ GEM
       json (>= 1.5.1)
     atomos (0.1.3)
     base64 (0.2.0)
+    benchmark (0.5.0)
     bigdecimal (3.1.1)
     claide (1.1.0)
     cocoapods (1.15.2)
@@ -62,7 +63,7 @@ GEM
       netrc (~> 0.11)
     cocoapods-try (1.2.0)
     colored2 (3.1.2)
-    concurrent-ruby (1.3.4)
+    concurrent-ruby (1.3.7)
     connection_pool (2.4.1)
     drb (2.1.0)
       ruby2_keywords
@@ -78,6 +79,7 @@ GEM
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
     json (2.7.2)
+    logger (1.7.0)
     minitest (5.25.1)
     molinillo (0.8.0)
     mutex_m (0.1.1)
@@ -107,7 +109,12 @@ PLATFORMS
 
 DEPENDENCIES
   activesupport (>= 6.1.7.5, != 7.1.0)
+  benchmark
+  bigdecimal
   cocoapods (>= 1.13, != 1.15.1, != 1.15.0)
+  concurrent-ruby (< 1.3.8)
+  logger
+  mutex_m
   xcodeproj (< 1.26.0)
 
 RUBY VERSION