diff --git a/Gemfile.lock b/Gemfile.lock
index 755b113..0a420d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,7 +55,7 @@ GEM
       bson (~> 1.7.0)
     builder (3.0.0)
     daemons (1.1.9)
-    dalli (2.2.1)
+    dalli (3.2.3)
     devise (2.1.2)
       bcrypt-ruby (~> 3.0)
       orm_adapter (~> 0.1)
@@ -90,7 +90,9 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.19)
-    mimemagic (0.1.8)
+    mimemagic (0.4.3)
+      nokogiri (~> 1)
+      rake
     mongo (1.7.0)
       bson (~> 1.7.0)
     mongoid (2.5.0)