diff --git a/Gemfile.lock b/Gemfile.lock
index f6495853..fb65329f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,8 +7,8 @@ GEM
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     atomos (0.1.3)
     aws-eventstream (1.1.0)
     aws-partitions (1.385.0)
@@ -174,7 +174,7 @@ GEM
     netrc (0.11.0)
     os (1.1.1)
     plist (3.5.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rake (13.0.1)
     representable (3.0.4)
       declarative (< 0.1.0)