diff --git a/Gemfile.lock b/Gemfile.lock
index 5e61ee5..d796946 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -65,7 +65,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.5)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     erubi (1.7.1)
@@ -263,7 +263,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
@@ -275,7 +275,7 @@ GEM
     mime-types-data (3.2016.0521)
     mini_magick (4.7.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.10.3)
     minitest-reporters (1.1.14)
       ansi
@@ -286,8 +286,8 @@ GEM
     nenv (0.3.0)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.5)
+      mini_portile2 (~> 2.4.0)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)