diff --git a/Gemfile.lock b/Gemfile.lock
index 75b854b706838b..06d186a0c620a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -233,7 +233,9 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_portile2 (2.1.0)
     minitest (5.10.1)
     multi_json (1.12.1)
@@ -434,7 +436,7 @@ GEM
     tilt (2.0.7)
     twitter-text (1.14.5)
       unf (~> 0.1.0)
-    tzinfo (1.2.3)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2017.2)
       tzinfo (>= 1.0.0)