diff --git a/Gemfile b/Gemfile
index 943f6a5..ca71446 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,7 +39,7 @@ gem 'carrierwave', '~> 1.2', '>= 1.2.1'
 gem 'ffaker', '~> 2.7'
 gem 'kaminari', '~> 1.1', '>= 1.1.1'
 gem 'toastr-rails', '~> 1.0', '>= 1.0.3'
-gem 'mini_magick', '~> 4.8'
+gem 'mini_magick', '~> 4.9'
 
 
 group :development, :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index ad5155c..5cf4aa0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -118,7 +118,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_magick (4.8.0)
+    mini_magick (4.9.4)
     mini_mime (1.0.0)
     mini_portile2 (2.3.0)
     minitest (5.10.3)
@@ -233,7 +233,7 @@ DEPENDENCIES
   kaminari (~> 1.1, >= 1.1.1)
   listen (>= 3.0.5, < 3.2)
   materialize-sass (~> 0.100.2)
-  mini_magick (~> 4.8)
+  mini_magick (~> 4.9)
   pg
   puma (~> 3.7)
   rails (~> 5.1.4)