diff --git a/Gemfile.lock b/Gemfile.lock
index 735b54d..f8eba38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 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)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
@@ -21,7 +21,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     netrc (0.11.0)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     rake (10.5.0)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)