diff --git a/Gemfile.lock b/Gemfile.lock
index 767df11..d5fbfc8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,7 +28,7 @@ GEM
       unicode-display_width (>= 1.4.0, < 1.7)
     ruby-progressbar (1.10.1)
     ruby2_keywords (0.0.5)
-    rufo (0.7.0)
+    rufo (0.13.0)
     sawyer (0.9.2)
       addressable (>= 2.3.5)
       faraday (>= 0.17.3, < 3)