diff --git a/Gemfile.lock b/Gemfile.lock
index c656319..36d3ce4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -105,7 +105,7 @@ GEM
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.6)
     datetime_picker_rails (0.0.7)
       momentjs-rails (>= 2.8.1)
     dotenv (2.5.0)
@@ -157,7 +157,7 @@ GEM
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -165,9 +165,11 @@ GEM
     marcel (0.3.2)
       mimemagic (~> 0.3.2)
     method_source (0.9.0)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
@@ -183,8 +185,8 @@ GEM
     net-ssh-gateway (2.0.0)
       net-ssh (>= 4.0.0)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.10)
+      mini_portile2 (~> 2.4.0)
     pg (1.0.0)
     public_suffix (3.0.3)
     puma (3.12.0)
@@ -210,8 +212,8 @@ 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 (5.2.1)
       actionpack (= 5.2.1)
       activesupport (= 5.2.1)