diff --git a/Gemfile.lock b/Gemfile.lock
index 4503612..062263c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,9 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.0)
@@ -77,7 +79,7 @@ GEM
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     puma (3.12.4)
-    rack (2.2.2)
+    rack (2.2.6.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.4.2)