diff --git a/Gemfile.lock b/Gemfile.lock
index 69dc4a9..29e5909 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,8 +75,8 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     afm (0.2.2)
     airbrussh (1.5.1)
       sshkit (>= 1.6.1, != 1.7.0)
@@ -270,7 +270,7 @@ GEM
     psych (5.2.6)
       date
       stringio
-    public_suffix (5.0.4)
+    public_suffix (7.0.5)
     puma (6.6.0)
       nio4r (~> 2.0)
     racc (1.6.2)