diff --git a/Gemfile.lock b/Gemfile.lock
index 9724969..050402d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     builder (3.2.3)
     byebug (9.1.0)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     database_cleaner (1.6.2)
     debug_inspector (0.0.3)
     diff-lcs (1.3)
@@ -96,7 +96,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.3)
+    loofah (2.19.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -144,8 +144,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.2.0)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     railties (5.1.4)
       actionpack (= 5.1.4)
       activesupport (= 5.1.4)