diff --git a/Gemfile.lock b/Gemfile.lock
index 51ae64360..4a87462f2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
     stackprof (0.2.25)
     stringio (3.0.7)
     strong_json (2.1.2)
-    tempfile (0.1.3)
+    tempfile (0.2.0)
     test-unit (3.6.1)
       power_assert
     timeout (0.4.0)