diff --git a/Gemfile b/Gemfile
index 9766766..710d752 100644
--- a/Gemfile
+++ b/Gemfile
@@ -38,7 +38,7 @@ gem 'rack', '~> 2.1.4'
 gem 'railties', '>= 5.2.2.1'
 gem 'rouge'
 gem 'rubocop'
-gem 'rubyzip', '~> 1.3.0'
+gem 'rubyzip', '~> 2.3.0'
 gem 'nokogiri', '>= 1.10.4'
 gem 'loofah', '>= 2.3.1'
 # gem 'ruby-oembed'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1172e86..323e309 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -204,7 +204,7 @@ GEM
     ruby-enum (0.8.0)
       i18n
     ruby-progressbar (1.10.1)
-    rubyzip (1.3.0)
+    rubyzip (2.3.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -261,7 +261,7 @@ DEPENDENCIES
   railties (>= 5.2.2.1)
   rouge
   rubocop
-  rubyzip (~> 1.3.0)
+  rubyzip (~> 2.3.0)
   terminal-table
 
 BUNDLED WITH