diff --git a/Gemfile.lock b/Gemfile.lock
index d90b1a2..561d414 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
       ffi (~> 1.0, >= 1.0.11)
     cocoon (1.2.12)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     cucumber (2.3.3)
       builder (>= 2.1.2)
       cucumber-core (~> 1.4.0)
@@ -122,7 +122,7 @@ GEM
     launchy (2.4.3)
       addressable (~> 2.3)
     libxml-ruby (3.1.0)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -131,17 +131,19 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.13.0)
     multi_json (1.13.1)
     multi_test (0.1.2)
     mysql2 (0.5.2)
     netrc (0.11.0)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.21.0)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.6.1)
     rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
@@ -162,8 +164,8 @@ GEM
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (4.2.11.1)
       actionpack (= 4.2.11.1)
       activesupport (= 4.2.11.1)