diff --git a/Gemfile.lock b/Gemfile.lock
index d2665aa..1d9e0c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,8 +62,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     babel-source (5.8.35)
@@ -148,7 +148,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (4.3.8)
       nio4r (~> 2.0)
     racc (1.5.2)