diff --git a/Gemfile.lock b/Gemfile.lock
index 599acc7..0a1dea8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,8 +6,8 @@ PATH
 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)
     ast (2.2.0)
     bacon (1.2.0)
     codeclimate-test-reporter (0.4.1)
@@ -36,7 +36,7 @@ GEM
     powerpack (0.1.1)
     prettybacon (0.0.2)
       bacon (~> 1.2)
-    public_suffix (4.0.6)
+    public_suffix (5.1.1)
     rainbow (2.1.0)
     rake (13.0.1)
     rb-fsevent (0.9.4)