diff --git a/Gemfile.lock b/Gemfile.lock
index 73cc80c..452ef17 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.9.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -107,7 +107,7 @@ GEM
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.7)
-    nokogiri (1.11.7-x86_64-linux)
+    nokogiri (1.13.10-x86_64-linux)
       racc (~> 1.4)
     pg (1.2.3)
     pry (0.14.1)
@@ -117,7 +117,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (4.0.6)
     puma (3.12.6)
-    racc (1.5.2)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -137,8 +137,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging