diff --git a/Gemfile.lock b/Gemfile.lock
index 74bf5ae3..024ff271 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -76,8 +76,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     angular-rails-templates (1.0.2)
       railties (>= 4.2, < 6)
       sprockets (>= 3.0, < 5)
@@ -245,7 +245,7 @@ GEM
       pry (~> 0.10)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (3.0.3)
+    public_suffix (4.0.7)
     puma (3.12.1)
     rack (2.0.7)
     rack-cors (1.0.3)