diff --git a/Gemfile.lock b/Gemfile.lock
index 04909aa..26b31ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -111,7 +111,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.4)
+    crass (1.0.6)
     database_cleaner (1.7.0)
     devise (4.4.3)
       bcrypt (~> 3.0)
@@ -165,7 +165,7 @@ 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)
@@ -174,9 +174,11 @@ GEM
       mimemagic (~> 0.3.2)
     method_source (0.9.0)
     mime-types (2.99.3)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.0)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.8.0)
     minitest (5.11.3)
     multi_json (1.13.1)
     multi_xml (0.6.0)
@@ -186,8 +188,9 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.1)
     nio4r (2.3.1)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.10)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth (0.5.4)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
@@ -230,6 +233,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.2)
     puma (3.11.4)
+    racc (1.6.1)
     rack (2.0.5)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
@@ -253,8 +257,8 @@ 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 (5.2.0)
       actionpack (= 5.2.0)
       activesupport (= 5.2.0)