diff --git a/Gemfile.lock b/Gemfile.lock
index 15f6066..f4474be 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -73,7 +73,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     duktape (2.3.0.0)
     erubi (1.8.0)
     execjs (2.7.0)
@@ -86,7 +86,7 @@ GEM
     io-like (0.3.0)
     jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -96,19 +96,21 @@ GEM
     method_source (0.9.2)
     mimemagic (0.3.3)
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.3.0)
     msgpack (1.3.0-x64-mingw32)
     mysql2 (0.5.2)
     mysql2 (0.5.2-x64-mingw32)
     nio4r (2.4.0)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.4-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x64-mingw32)
+      racc (~> 1.4)
     public_suffix (3.1.1)
     puma (3.12.1)
+    racc (1.6.1)
     rack (2.0.7)
     rack-cors (1.0.3)
     rack-test (1.1.0)