diff --git a/Gemfile.lock b/Gemfile.lock
index 04689fc..628ca70 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.4)
-    crass (1.0.4)
+    crass (1.0.5)
     devise (4.6.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -129,7 +129,7 @@ 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)
@@ -148,7 +148,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nio4r (2.3.1)
-    nokogiri (1.10.0)
+    nokogiri (1.10.5)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
     oauth2 (1.4.1)