diff --git a/Gemfile.lock b/Gemfile.lock
index 7f1cd11..f010e44 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -138,7 +138,7 @@ GEM
       ruby_dep (~> 1.2)
     lolize (0.0.3)
       paint (~> 0.8.3)
-    loofah (2.3.1)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -155,7 +155,7 @@ GEM
     multipart-post (2.1.1)
     netrc (0.11.0)
     nio4r (2.5.2)
-    nokogiri (1.10.4)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     oink (0.10.1)
       activerecord
@@ -189,8 +189,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
+    rails-html-sanitizer (1.4.4)
+      loofah (~> 2.19, >= 2.19.1)
     railties (5.1.7)
       actionpack (= 5.1.7)
       activesupport (= 5.1.7)