diff --git a/Gemfile.lock b/Gemfile.lock
index 6e66ee1..27ecc24 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,7 +74,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.5)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.6.2)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -95,7 +95,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.3)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -109,7 +109,7 @@ GEM
     minitest (5.11.3)
     msgpack (1.3.0)
     nio4r (2.3.1)
-    nokogiri (1.10.3)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     public_suffix (3.1.1)
@@ -135,8 +135,8 @@ 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 (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)