diff --git a/Gemfile.lock b/Gemfile.lock
index 8e6fcf2..b5437eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -67,7 +67,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.3)
-    crass (1.0.5)
+    crass (1.0.6)
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     erubi (1.7.1)
@@ -88,7 +88,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -98,16 +98,18 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.2)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
     nio4r (2.3.1)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     pg (1.1.3)
     public_suffix (3.0.3)
     puma (3.12.2)
+    racc (1.6.1)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)