diff --git a/Gemfile.lock b/Gemfile.lock
index 4636936..24a5d9d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
@@ -97,7 +97,7 @@ GEM
     minitest (5.10.1)
     multi_json (1.12.1)
     nio4r (1.2.1)
-    nokogiri (1.10.8)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     pg (0.19.0)
@@ -124,8 +124,8 @@ GEM
     rails-dom-testing (2.0.2)
       activesupport (>= 4.2.0, < 6.0)
       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