diff --git a/Gemfile.lock b/Gemfile.lock
index 7a58261..090e3ee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -198,7 +198,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
-    public_suffix (3.0.2)
+    public_suffix (3.0.3)
     puma (3.12.0)
     rack (2.0.5)
     rack-livereload (0.3.17)