diff --git a/Gemfile b/Gemfile
index 8ee1a9d..fe04794 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ gem 'discordrb', github: 'shardlab/discordrb', branch: 'main'
 gem 'docopt', '~> 0.6.1'
 gem 'httparty', '~> 0.21.0'
 gem 'mathematical', '~> 1.6'
-gem 'mini_magick', '~> 4.12'
+gem 'mini_magick', '~> 4.13'
 
 group :dev do
   gem 'rubocop'
diff --git a/Gemfile.lock b/Gemfile.lock
index 38cc206..38f744c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,7 +37,7 @@ GEM
     mime-types (3.5.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2023.1205)
-    mini_magick (4.12.0)
+    mini_magick (4.13.1)
     mini_mime (1.1.2)
     multi_xml (0.6.0)
     netrc (0.11.0)
@@ -88,7 +88,7 @@ DEPENDENCIES
   docopt (~> 0.6.1)
   httparty (~> 0.21.0)
   mathematical (~> 1.6)
-  mini_magick (~> 4.12)
+  mini_magick (~> 4.13)
   rubocop
 
 BUNDLED WITH