diff --git a/Gemfile.lock b/Gemfile.lock
index d54be70..371f16c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -50,7 +50,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     erubis (2.7.0)
     execjs (2.6.0)
@@ -67,13 +67,13 @@ GEM
       thor (>= 0.14, < 2.0)
     json (1.8.6)
     libv8 (3.16.14.13)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.6.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     mongo (2.1.2)
       bson (~> 3.0)
@@ -83,10 +83,12 @@ GEM
       origin (~> 2.1)
       tzinfo (>= 0.3.37)
     multi_json (1.11.2)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     origin (2.1.1)
     pg (0.18.3)
+    racc (1.6.1)
     rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -107,8 +109,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging