diff --git a/Gemfile b/Gemfile
index 33fd49a..313aee5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,4 +6,4 @@ git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # gem "rails"
 
-gem "rubyzip", "=1.2.0"
+gem "rubyzip", "1.3.0"
diff --git a/Gemfile.lock b/Gemfile.lock
index 7e63c49..814ac56 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,13 +1,13 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    rubyzip (1.2.0)
+    rubyzip (1.3.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rubyzip (= 1.2.0)
+  rubyzip (= 1.3.0)
 
 BUNDLED WITH
    1.16.2