diff --git a/Gemfile.lock b/Gemfile.lock
index af9b36b..d541547 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     base64 (0.3.0)
     coderay (1.1.3)
     colorator (1.1.0)
@@ -64,7 +64,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
+    public_suffix (7.0.5)
     rack (3.2.5)
     rack-protection (4.2.0)
       base64 (>= 0.1.0)