diff --git a/Gemfile b/Gemfile
index 3ab4d6e..7001fe9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'puma', '~> 6.4'
 gem 'bootsnap', '>= 1.4.2', require: false
 gem 'base64', '~> 0.2.0'
 gem 'bigdecimal', '~> 3.1'
-gem 'mutex_m', '~> 0.2.0'
+gem 'mutex_m', '~> 0.3.0'
 gem 'json', '~> 2.8'
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index e34e783..de67203 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -185,7 +185,7 @@ GEM
     msgpack (1.7.2)
     multi_xml (0.6.0)
     multipart-post (2.3.0)
-    mutex_m (0.2.0)
+    mutex_m (0.3.0)
     mysql2 (0.5.6)
     net-imap (0.5.0)
       date
@@ -408,7 +408,7 @@ DEPENDENCIES
   byebug
   json (~> 2.8)
   listen (>= 3.0.5)
-  mutex_m (~> 0.2.0)
+  mutex_m (~> 0.3.0)
   mysql2
   puma (~> 6.4)
   rails (~> 7.1.3)