diff --git a/Gemfile.lock b/Gemfile.lock
index f933d25..f1d4678 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -132,7 +132,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_magick (4.10.1)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
@@ -150,7 +152,7 @@ GEM
       pry (~> 0.13.0)
     public_suffix (4.0.5)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.3)