diff --git a/Gemfile.lock b/Gemfile.lock
index c06e8ab..ab90eff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -152,7 +152,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_mime (1.0.1)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
     multi_json (1.13.1)
     multipart-post (2.1.1)
@@ -161,8 +161,8 @@ GEM
       net-ssh (>= 2.6.5)
     net-ssh (5.0.2)
     nio4r (2.3.1)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.6)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     octokit (4.11.0)
       sawyer (~> 0.8.0, >= 0.5.3)
@@ -170,7 +170,7 @@ GEM
     public_suffix (4.0.6)
     puma (4.3.8)
       nio4r (~> 2.0)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.1.4)
     rack-cors (1.0.5)
       rack (>= 1.6.0)
@@ -191,7 +191,7 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.3)
       loofah (~> 2.3)
     railties (5.1.6)
       actionpack (= 5.1.6)