diff --git a/Gemfile.lock b/Gemfile.lock
index 671f11f..263eb18 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,14 +144,16 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.7)
-    nokogiri (1.11.2)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     opal (1.0.5)
       ast (>= 2.3.0)