diff --git a/sql/associations_exercise/Gemfile.lock b/sql/associations_exercise/Gemfile.lock
index 5220ce9..efeb691 100644
--- a/sql/associations_exercise/Gemfile.lock
+++ b/sql/associations_exercise/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 (3.0.3)
       activerecord (>= 3.2, < 7.0)
       rake (>= 10.4, < 14.0)
@@ -110,7 +110,7 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.9)
       pry (>= 0.10.4)
-    public_suffix (4.0.3)
+    public_suffix (5.0.0)
     puma (3.12.2)
     rack (2.1.2)
     rack-test (1.1.0)