diff --git a/Gemfile.lock b/Gemfile.lock
index 621b746..1783d02 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.4.3)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -115,7 +115,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.2.2)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -135,9 +135,11 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.2)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
@@ -145,8 +147,9 @@ GEM
     net-http-persistent (3.0.0)
       connection_pool (~> 2.2)
     nio4r (2.3.1)
-    nokogiri (1.8.5)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     ntlm-http (0.1.1)
     orm_adapter (0.5.0)
     pg (1.1.3)
@@ -155,6 +158,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
     puma (3.12.0)
+    racc (1.6.1)
     rack (2.0.5)
     rack-proxy (0.6.5)
       rack
@@ -176,8 +180,8 @@ 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)