diff --git a/Gemfile.lock b/Gemfile.lock
index a5378b21..d4dcd762 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -48,7 +48,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.6)
     erubis (2.7.0)
     execjs (2.7.0)
     ey_config (0.0.7)
@@ -63,7 +63,7 @@ GEM
       thor (>= 0.14, < 2.0)
     json (2.1.0)
     kgio (2.11.2)
-    loofah (2.2.2)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -99,8 +99,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     rails_autolink (1.1.6)
       rails (> 3.1)
     railties (4.2.10)