diff --git a/Gemfile.lock b/Gemfile.lock
index c79660b6aa11..577ad04523b8 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 (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     chunky_png (1.3.8)
     coderay (1.1.1)
     colorator (1.1.0)
@@ -81,7 +81,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     rack (1.6.9)
     rack-protection (1.5.5)
       rack