diff --git a/Gemfile.lock b/Gemfile.lock
index 5507d53..6618170 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,7 +54,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.1)
-    crass (1.0.3)
+    crass (1.0.6)
     css_parser (1.6.0)
       addressable
     devise (4.4.3)
@@ -92,7 +92,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -103,12 +103,13 @@ GEM
       sass (~> 3.3)
     method_source (0.9.0)
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     nio4r (2.3.0)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (0.21.0)
     premailer (1.11.1)
@@ -120,6 +121,7 @@ GEM
       premailer (~> 1.7, >= 1.7.9)
     public_suffix (3.0.2)
     puma (3.11.3)
+    racc (1.6.1)
     rack (2.0.4)
     rack-protection (2.0.1)
       rack
@@ -140,8 +142,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.0.6)
       actionpack (= 5.0.6)
       activesupport (= 5.0.6)