diff --git a/Gemfile.lock b/Gemfile.lock
index 344e858c4..4c33dfa52 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -247,9 +247,11 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    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 (5.14.2)
     mock_redis (0.17.3)
     modware (0.1.3)
@@ -266,8 +268,9 @@ GEM
       execjs
       rails (>= 3.1)
     nio4r (2.5.4)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.0)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
@@ -309,6 +312,7 @@ GEM
       activesupport (>= 3.0.0)
     pygments.rb (1.1.2)
       multi_json (>= 1.0.0)
+    racc (1.5.2)
     rack (1.6.13)
     rack-contrib (1.4.0)
       git-version-bump (~> 0.15)