diff --git a/Gemfile b/Gemfile
index bd71ca91e..9b90c30bb 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'apipie-rails', '~> 0.5.18'
 gem 'bootsnap', '>= 1.1.0', require: false
 gem 'iso8601', '0.12.1' # for dates and times
 gem 'mime-types-data'
-gem 'mimemagic', '0.3.10'
+gem 'mimemagic', '0.4.3'
 gem 'rails', '~> 6.0'
 gem 'rest-client'
 gem 'uglifier'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6779b9472..116f8bd9b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -286,7 +286,7 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.0225)
-    mimemagic (0.3.10)
+    mimemagic (0.4.3)
       nokogiri (~> 1)
       rake
     mini_mime (1.1.0)
@@ -544,7 +544,7 @@ DEPENDENCIES
   kaminari
   lhv!
   mime-types-data
-  mimemagic (= 0.3.10)
+  mimemagic (= 0.4.3)
   minitest (~> 5.14)
   money-rails
   nokogiri (~> 1.11.3)