diff --git a/_testing/setup-ruby/Gemfile.lock b/_testing/setup-ruby/Gemfile.lock
index 72876e8..f022297 100644
--- a/_testing/setup-ruby/Gemfile.lock
+++ b/_testing/setup-ruby/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
     faraday (2.7.3)
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
@@ -10,7 +10,7 @@ GEM
     octokit (6.0.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
-    public_suffix (5.0.1)
+    public_suffix (7.0.5)
     ruby2_keywords (0.0.5)
     sawyer (0.9.2)
       addressable (>= 2.3.5)