diff --git a/Gemfile.lock b/Gemfile.lock
index 1b917a1..ad6d31e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.7.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     faraday (1.3.0)
       faraday-net_http (~> 1.0)
       multipart-post (>= 1.2, < 3)
@@ -16,7 +16,7 @@ GEM
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rack (2.2.3)
     rack-protection (2.1.0)
       rack