diff --git a/Gemfile.lock b/Gemfile.lock
index 1db9f3d8a..8c9d4872d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -426,7 +426,7 @@ GEM
       pry (~> 0.13.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     puma (4.3.5)
       nio4r (~> 2.0)
     pundit (2.1.0)