diff --git a/Gemfile.lock b/Gemfile.lock
index 0fa74cf..1e9715f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,8 +42,8 @@ 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)
     airbrussh (1.4.0)
       sshkit (>= 1.6.1, != 1.7.0)
     archive-zip (0.12.0)
@@ -123,7 +123,7 @@ GEM
     nokogiri (1.11.3)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     puma (3.12.6)
     racc (1.5.2)
     rack (2.2.3)