Explicit mutex_m in Gemfile

Author: lmrodriguezr

Gemfile

@@ -22,6 +22,7 @@ gem 'inline_svg', '~> 1.8'
 gem 'jbuilder', '~> 2.11'
 gem 'jquery-rails'
 gem 'miga-base', '~> 1.3'
+gem 'mutex_m'
 gem 'pdf-reader'
 gem 'pg'
 gem 'puma', '~> 5.6'

Gemfile.lock

@@ -181,6 +181,7 @@ GEM
     mini_portile2 (2.8.8)
     minitest (5.25.1)
     multi_json (1.15.0)
+    mutex_m (0.3.0)
     net-ftp (0.3.8)
       net-protocol
       time
@@ -421,6 +422,7 @@ DEPENDENCIES
   jquery-rails
   listen (>= 3.0.5, < 3.2)
   miga-base (~> 1.3)
+  mutex_m
   pdf-reader
   pg
   puma (~> 5.6)