diff --git a/Gemfile.lock b/Gemfile.lock
index bc1608d..296972a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
-    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)
@@ -117,7 +119,7 @@ GEM
     popper_js (1.16.0)
     public_suffix (4.0.3)
     puma (3.12.6)
-    rack (2.2.2)
+    rack (2.2.6.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.1.7)