diff --git a/Gemfile.lock b/Gemfile.lock
index f1e20e9..813b4e3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.10.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -79,13 +79,13 @@ GEM
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.5.8)
-    nokogiri (1.13.3)
+    nokogiri (1.13.10)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pg (0.21.0)
     puma (4.3.12)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -104,8 +104,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.0.7.1)
       actionpack (= 5.0.7.1)
       activesupport (= 5.0.7.1)