diff --git a/Gemfile.lock b/Gemfile.lock
index 20fe925..d9ce703 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.1)
-    crass (1.0.4)
+    crass (1.0.5)
     dalli (2.7.6)
     derailed (0.1.0)
       derailed_benchmarks
@@ -203,7 +203,7 @@ GEM
       actionpack (>= 4, < 5.2)
       activesupport (>= 4, < 5.2)
       railties (>= 4, < 5.2)
-    loofah (2.2.2)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)