diff --git a/Gemfile.lock b/Gemfile.lock
index ac6e0e1..2bcb988 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,6 +49,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    crass (1.0.5)
     debase (0.2.1)
       debase-ruby_core_source
     debase-ruby_core_source (0.9.9)
@@ -66,11 +67,12 @@ GEM
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    libv8 (3.16.14.19-x86_64-linux)
+    libv8 (3.16.14.19)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.3.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
@@ -78,12 +80,12 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.2)
     multi_json (1.12.1)
     nio4r (1.2.1)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     puma (3.9.1)
     rack (2.0.3)
     rack-test (0.6.3)