diff --git a/Gemfile b/Gemfile
old mode 100755
new mode 100644
index 8a9a417..a5b56a9
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,6 @@ source 'https://rubygems.org'
 ruby '2.0.0'
 
 gem 'desk_api', '0.5.0'
-gem 'rubyzip', '1.1.0'
+gem 'rubyzip', '1.3.0'
 gem 'open_uri_redirections', '0.1.4'
 gem 'rails-html-sanitizer'
\ No newline at end of file
diff --git a/Gemfile.lock b/Gemfile.lock
index 8e8fd8b..61e2de2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,6 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     addressable (2.4.0)
+    crass (1.0.5)
     desk_api (0.5.0)
       addressable
       faraday
@@ -13,9 +14,17 @@ GEM
     faraday_middleware (0.10.0)
       faraday (>= 0.7.4, < 0.10)
     hashie (3.4.4)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.5.9)
+    mini_portile2 (2.1.0)
     multipart-post (2.0.0)
+    nokogiri (1.6.8.1)
+      mini_portile2 (~> 2.1.0)
     open_uri_redirections (0.1.4)
-    rubyzip (1.1.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    rubyzip (1.3.0)
     simple_oauth (0.3.1)
 
 PLATFORMS
@@ -24,7 +33,8 @@ PLATFORMS
 DEPENDENCIES
   desk_api (= 0.5.0)
   open_uri_redirections (= 0.1.4)
-  rubyzip (= 1.1.0)
+  rails-html-sanitizer
+  rubyzip (= 1.3.0)
 
 BUNDLED WITH
    1.11.2