diff --git a/Gemfile.lock b/Gemfile.lock
index f49a433..989ecd4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
       less (~> 2.6.0)
       sprockets (>= 2)
     libv8 (3.16.14.19)
-    loofah (2.7.0)
+    loofah (2.18.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -122,7 +122,7 @@ GEM
     pg (0.20.0)
     puma (5.6.4)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -143,7 +143,7 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     rails4-autocomplete (1.1.1)
       rails (>= 3.0)