diff --git a/Gemfile.lock b/Gemfile.lock
index 9b9647f..eecce46 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     concurrent-ruby (1.1.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
+    crass (1.0.6)
     decent_exposure (3.0.2)
       activesupport (>= 4.0)
     diff-lcs (1.3)
@@ -127,7 +127,7 @@ 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)
@@ -135,17 +135,20 @@ 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)
     msgpack (1.2.4)
     multi_json (1.13.1)
     mustache (1.0.5)
     mustermann (1.0.3)
     nio4r (2.3.1)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     parallel (1.12.1)
     parser (2.5.1.2)
       ast (~> 2.4.0)
@@ -158,6 +161,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.6.1)
     rack (2.0.7)
     rack-cors (1.0.2)
     rack-protection (2.0.5)