diff --git a/Gemfile.lock b/Gemfile.lock
index 6a0b314..5773901 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,8 +8,8 @@ GIT
 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)
     awesome_print (1.8.0)
     aws-eventstream (1.1.0)
     aws-partitions (1.398.0)
@@ -206,7 +206,7 @@ GEM
       zhexdump (>= 0.0.2)
     plist (3.5.0)
     proxifier (1.0.3)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rainbow (3.0.0)
     retryable (3.0.5)