diff --git a/Gemfile.lock b/Gemfile.lock
index a13b856..929b193 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -88,7 +88,7 @@ GEM
     chronic (0.10.2)
     concurrent-ruby (1.1.4)
     connection_pool (2.2.2)
-    crass (1.0.4)
+    crass (1.0.6)
     devise (4.6.2)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -132,7 +132,7 @@ 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)
@@ -143,9 +143,11 @@ GEM
     mime-types (3.2.2)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
-    mimemagic (0.3.3)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.11.3)
     msgpack (1.2.4)
     multi_json (1.13.1)
@@ -154,11 +156,13 @@ GEM
     net-ssh (5.0.2)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.9.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (1.1.3)
     puma (3.12.0)
+    racc (1.6.1)
     rack (2.0.6)
     rack-protection (2.0.5)
       rack