diff --git a/Gemfile.lock b/Gemfile.lock
index 2aafd46..4fe6175 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -99,7 +99,9 @@ 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 (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -118,7 +120,7 @@ GEM
       pry (~> 0.10)
     public_suffix (4.0.1)
     puma (3.12.4)
-    rack (2.1.0)
+    rack (2.2.3.1)
     rack-proxy (0.6.5)
       rack
     rack-test (1.1.0)