diff --git a/Gemfile.lock b/Gemfile.lock
index 65d7697..71b258f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,8 +38,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       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)
     arel (8.0.0)
     ast (2.4.1)
     builder (3.2.4)
@@ -115,7 +115,7 @@ GEM
       ast (~> 2.4.1)
     pg (1.0.0)
     powerpack (0.1.2)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (5.0.2)
       nio4r (~> 2.0)
     rack (2.2.3)