diff --git a/Gemfile.lock b/Gemfile.lock
index d71f4b5..d255848 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,8 +55,8 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 1.3, >= 1.3.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     archive-zip (0.12.0)
       io-like (~> 0.3.0)
     bindex (0.6.0)
@@ -112,7 +112,7 @@ GEM
     nio4r (2.3.1)
     nokogiri (1.10.2)
       mini_portile2 (~> 2.4.0)
-    public_suffix (3.0.3)
+    public_suffix (5.0.0)
     puma (3.12.1)
     rack (2.0.7)
     rack-proxy (0.6.5)