diff --git a/Gemfile.lock b/Gemfile.lock
index fb80bfb87dd..3286fe4902d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -396,7 +396,7 @@ GEM
       ffi (>= 1.0.6)
       msgpack (>= 0.4.3)
       optimist (>= 3.0.0)
-    rchardet (1.8.0)
+    rchardet (1.9.0)
     rdoc (6.10.0)
       psych (>= 4.0.0)
     redcarpet (3.6.0)