diff --git a/Gemfile.lock b/Gemfile.lock
index b3e1ca0..7a84d41 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
-      public_suffix (~> 2.0, >= 2.0.2)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
     colored (1.2)
     concurrent-ruby (1.0.4)
@@ -47,16 +47,18 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.1.0)
+    mini_portile2 (2.8.0)
     minitest (5.10.1)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
-    nokogiri (1.8.1-x64-mingw32)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.13.8)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    nokogiri (1.13.8-x64-mingw32)
+      racc (~> 1.4)
     parallel (1.10.0)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
-    public_suffix (2.0.5)
+    public_suffix (5.0.0)
+    racc (1.6.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.8)
       ffi (>= 0.5.0)