diff --git a/Gemfile.lock b/Gemfile.lock
index 1d0d48a29..6f57c5db2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -223,7 +223,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -501,7 +503,7 @@ GEM
     wirble (0.1.3)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    yajl-ruby (1.4.1)
+    yajl-ruby (1.4.3)
 
 PLATFORMS
   ruby