diff --git a/Gemfile.lock b/Gemfile.lock
index adb1022..06a0da0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -42,8 +42,8 @@ GEM
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     annotate (3.1.1)
       activerecord (>= 3.2, < 7.0)
       rake (>= 10.4, < 14.0)
@@ -165,7 +165,7 @@ GEM
       omniauth (~> 1.9)
     orm_adapter (0.5.0)
     pg (1.2.3)
-    public_suffix (4.0.5)
+    public_suffix (5.0.0)
     puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.3)