diff --git a/Gemfile.lock b/Gemfile.lock
index 55e1642..cbf749d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,9 @@ GEM
       autoprefixer-rails (>= 6.0.3)
       sass (>= 3.5.2)
     method_source (0.9.0)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
@@ -125,7 +127,7 @@ GEM
     pg (1.0.0)
     public_suffix (3.0.2)
     puma (3.12.6)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.1)