diff --git a/Gemfile.lock b/Gemfile.lock
index e92e62a..3797353 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -66,8 +66,8 @@ GEM
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     airbrussh (1.5.1)
       sshkit (>= 1.6.1, != 1.7.0)
     ast (2.4.2)
@@ -282,7 +282,7 @@ GEM
       pry (>= 0.10.4)
     psych (5.1.2)
       stringio
-    public_suffix (5.0.4)
+    public_suffix (7.0.5)
     puma (5.6.9)
       nio4r (~> 2.0)
     pundit (2.3.1)