diff --git a/Gemfile.lock b/Gemfile.lock
index 694a43f..4022f7e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -74,8 +74,8 @@ GEM
       minitest (>= 5.1)
       securerandom (>= 0.3)
       tzinfo (~> 2.0, >= 2.0.5)
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     airbrussh (1.5.3)
       sshkit (>= 1.6.1, != 1.7.0)
     base64 (0.3.0)
@@ -188,7 +188,7 @@ GEM
     psych (5.2.3)
       date
       stringio
-    public_suffix (6.0.1)
+    public_suffix (7.0.5)
     racc (1.8.1)
     rack (3.1.20)
     rack-proxy (0.7.7)