diff --git a/Gemfile.lock b/Gemfile.lock
index 60de676..529be72 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -58,8 +58,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     almond-rails (0.1.0)
       rails (>= 4.2, < 6)
     arel (8.0.0)
@@ -500,7 +500,7 @@ GEM
     os (1.0.1)
     posix-spawn (0.3.13)
     power_converter (0.1.2)
-    public_suffix (3.1.1)
+    public_suffix (4.0.6)
     pul_uv_rails (2.0.1)
     puma (3.12.1)
     qa (2.2.0)