diff --git a/Gemfile.lock b/Gemfile.lock
index da992f5..ddb8120 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,9 +97,11 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     monetize (1.9.0)
       money (~> 6.12)
@@ -114,13 +116,15 @@ GEM
     mustache (1.1.0)
     mustermann (1.0.3)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.0)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pg (1.1.4)
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-defense (0.2.6)
       rack (>= 1.6.11)