diff --git a/Gemfile.lock b/Gemfile.lock
index 4d75e5bc..a807e379 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ansi (1.5.0)
     ast (2.4.1)
     claide (1.0.3)
@@ -53,7 +53,7 @@ GEM
       ast
       ruby-ll (~> 2.1)
     open4 (1.3.4)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rchardet (1.8.0)
     rexml (3.2.4)
     ruby-ll (2.1.2)