diff --git a/nix/Gemfile.lock b/nix/Gemfile.lock
index 01c4ede..d23c9a8 100644
--- a/nix/Gemfile.lock
+++ b/nix/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)
     buftok (0.2.0)
     citrus (3.0.2)
     concurrent-ruby (1.1.8)
@@ -33,7 +33,7 @@ GEM
     multipart-post (2.1.1)
     naught (1.1.0)
     oauth (0.5.5)
-    public_suffix (4.0.6)
+    public_suffix (5.0.0)
     rake (13.0.3)
     simple_oauth (0.3.1)
     terminal-notifier (2.0.0)