diff --git a/Gemfile.lock b/Gemfile.lock
index a120f417..d7d8f338 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -217,7 +217,7 @@ GEM
     listen (3.5.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
-    loofah (2.9.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -265,7 +265,7 @@ GEM
     public_suffix (4.0.6)
     puma (5.3.0)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.6.1)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -286,8 +286,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.11.3)
       actionpack (= 4.2.11.3)
       activesupport (= 4.2.11.3)