diff --git a/Gemfile.lock b/Gemfile.lock
index 1d46824..139c6ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,8 +11,8 @@ GEM
       minitest (>= 5.1)
       mutex_m
       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)
     allocation_stats (0.1.5)
     ansi (1.5.0)
     base64 (0.2.0)
@@ -126,7 +126,7 @@ GEM
       rack (>= 1.2, < 4)
     psych (5.1.2)
       stringio
-    public_suffix (5.0.4)
+    public_suffix (7.0.5)
     racc (1.8.1)
     rack (3.1.18)
     rake (13.1.0)