diff --git a/Gemfile.lock b/Gemfile.lock
index 0e8e83f..a2190ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,8 +12,8 @@ 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)
     diff-lcs (1.3)
     docile (1.4.0)
     faraday (1.4.1)
@@ -32,7 +32,7 @@ GEM
     launchy (2.5.0)
       addressable (~> 2.7)
     multipart-post (2.1.1)
-    public_suffix (4.0.6)
+    public_suffix (5.1.1)
     rake (13.0.1)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)