diff --git a/Gemfile.lock b/Gemfile.lock
index 1b0d4e7..69a8a72 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,8 +14,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.1, >= 2.1.8)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.0)
     childprocess (3.0.0)
     coderay (1.1.2)
@@ -68,7 +68,7 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (4.0.1)
+    public_suffix (5.0.0)
     rainbow (3.0.0)
     rake (10.5.0)
     rb-fsevent (0.10.3)