diff --git a/share/containers/rails/app/Gemfile.lock b/share/containers/rails/app/Gemfile.lock
index 66f2fc8..a31c122 100644
--- a/share/containers/rails/app/Gemfile.lock
+++ b/share/containers/rails/app/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       execjs
     coffee-script-source (1.11.1)
     concurrent-ruby (1.1.4)
-    crass (1.0.2)
+    crass (1.0.6)
     erubi (1.7.1)
     execjs (2.7.0)
     ffi (1.9.25)
@@ -90,7 +90,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -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 (1.6.1)
     rack (2.0.6)
     rack-test (0.7.0)
       rack (>= 1.0, < 3)