diff --git a/Gemfile.lock b/Gemfile.lock
index 41b8efe..b0fa4c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,8 +9,8 @@ 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)
     coderay (1.1.2)
     coveralls (0.7.1)
       multi_json (~> 1.3)
@@ -38,7 +38,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (4.0.3)
+    public_suffix (4.0.7)
     rake (12.3.3)
     rest-client (2.1.0)
       http-accept (>= 1.7.0, < 2.0)