diff --git a/libertree-frontend-ramaze/Gemfile.lock b/libertree-frontend-ramaze/Gemfile.lock
index 3a2ccd45..59c4a0e8 100644
--- a/libertree-frontend-ramaze/Gemfile.lock
+++ b/libertree-frontend-ramaze/Gemfile.lock
@@ -149,7 +149,7 @@ GEM
     ruby-oembed (0.8.9)
     ruby_core_source (0.1.5)
       archive-tar-minitar (>= 0.5.2)
-    rubyzip (1.1.6)
+    rubyzip (1.3.0)
     sass (3.2.5)
     selenium-webdriver (2.43.0)
       childprocess (~> 0.5)