diff --git a/Gemfile.lock b/Gemfile.lock
index 8e33497..2d7b220 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.5)
     database_cleaner (1.7.0)
     devise (4.6.2)
       bcrypt (~> 3.0)
@@ -239,7 +239,7 @@ 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)
     lumberjack (1.0.13)
@@ -270,7 +270,7 @@ GEM
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (5.2.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     nokogumbo (2.0.1)
       nokogiri (~> 1.8, >= 1.8.4)