diff --git a/Gemfile.lock b/Gemfile.lock
index 758a13b..7936453 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     crack (0.4.5)
       rexml
     diff-lcs (1.5.0)
@@ -38,7 +38,7 @@ GEM
     faraday-retry (1.0.3)
     hashdiff (1.0.1)
     multipart-post (2.4.1)
-    public_suffix (5.0.0)
+    public_suffix (5.1.1)
     rake (12.3.3)
     rexml (3.4.2)
     rspec (3.11.0)