diff --git a/share/containers/rails/app/Gemfile.lock b/share/containers/rails/app/Gemfile.lock
index 66f2fc8..18a7d34 100644
--- a/share/containers/rails/app/Gemfile.lock
+++ b/share/containers/rails/app/Gemfile.lock
@@ -98,15 +98,21 @@ GEM
     marcel (0.3.2)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.1.0)
     multi_json (1.12.1)
     nio4r (2.3.1)
-    nokogiri (1.10.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-test (0.7.0)
       rack (>= 1.0, < 3)