diff --git a/Gemfile.lock b/Gemfile.lock
index b3e32a3..8c5a099 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     coffee-script-source (1.12.2)
     commonjs (0.2.7)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.3)
@@ -110,7 +110,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -125,7 +125,7 @@ GEM
     msgpack (1.3.0)
     mustache (1.1.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     parallel (1.17.0)
     parser (2.6.3.0)