diff --git a/Gemfile.lock b/Gemfile.lock
index 0cb6c9a..8160355 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -114,9 +114,11 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.1)
     mongo (2.6.2)
       bson (>= 4.3.0, < 5.0.0)
@@ -140,8 +142,9 @@ GEM
       mongoid (>= 3.0.0)
       mongoid-compatibility
     nio4r (2.5.2)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.11.4)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     parallel (1.12.1)
     parser (2.5.3.0)
       ast (~> 2.4.0)
@@ -153,6 +156,7 @@ GEM
       byebug (~> 10.0)
       pry (~> 0.10)
     public_suffix (3.0.3)
+    racc (1.5.2)
     rack (2.2.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)