diff --git a/Gemfile.lock b/Gemfile.lock
index 31dd3b2..996880c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
     aws-sdk (2.11.173)
       aws-sdk-resources (= 2.11.173)
     aws-sdk-core (2.11.173)
@@ -136,7 +136,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.1)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)