diff --git a/Gemfile.lock b/Gemfile.lock
index f6ba41b..a4efe72 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -150,7 +150,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.4.0)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.13)
@@ -163,7 +163,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     msgpack (1.3.0)
     multi_json (1.13.1)
@@ -172,8 +172,9 @@ GEM
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (5.2.0)
     nio4r (2.3.1)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -189,6 +190,7 @@ GEM
       pry (>= 0.10.4)
     public_suffix (3.1.1)
     puma (3.12.4)
+    racc (1.6.1)
     rack (2.2.2)
     rack-proxy (0.6.5)
       rack