diff --git a/Gemfile.lock b/Gemfile.lock
index 7b05dfa..e6ca8cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     daemons (1.3.1)
     devise (4.6.2)
       bcrypt (~> 3.0)
@@ -116,7 +116,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -133,7 +133,7 @@ GEM
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nio4r (2.4.0)
-    nokogiri (1.10.3)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     oauth2 (1.4.1)
       faraday (>= 0.8, < 0.16.0)