diff --git a/Gemfile.lock b/Gemfile.lock
index 7d52a83..8098781 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -100,7 +100,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.5)
     css_parser (1.7.0)
       addressable
     declarative (0.0.10)
@@ -203,7 +203,7 @@ GEM
       ruby_dep (~> 1.2)
     loaf (0.8.1)
       rails (>= 3.2)
-    loofah (2.2.3)
+    loofah (2.3.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -229,7 +229,7 @@ GEM
     mustermann (1.0.3)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.10.4)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     normailize (0.0.1)
     oauth2 (1.4.1)