diff --git a/Gemfile.lock b/Gemfile.lock
index 9757da6f9..51f57db28 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -496,7 +496,7 @@ GEM
     ruby-vips (2.0.15)
       ffi (~> 1.9)
     ruby_dep (1.5.0)
-    rubyzip (1.2.4)
+    rubyzip (1.3.0)
     rufus-scheduler (3.6.0)
       fugit (~> 1.1, >= 1.1.6)
     safe_yaml (1.0.5)