diff --git a/Gemfile b/Gemfile
index 71b6e23..714f4d9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,8 +5,6 @@ ruby '~> 4.0.0'
 
 # Bundle edge Rails instead: gem "rails", github: "rails/rails", branch: "main"
 gem 'rails', '~> 8.1.4'
-# Rails isn't compatible with JSON 3, but doesn't declare it. Remove on next rails release.
-gem 'json', '~> 2.21.2'
 
 # Use propshaft as asset pipeline
 gem 'propshaft', '~> 1.3.2'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0f130a6..5edb9dc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,7 +151,7 @@ GEM
       prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.21.2)
+    json (3.0.2)
     jwt (2.10.2)
       base64
     language_server-protocol (3.17.0.6)
@@ -380,7 +380,6 @@ DEPENDENCIES
   capybara (~> 3.40.0)
   debug (~> 1.11.1)
   github_api (~> 0.19.0)
-  json (~> 2.21.2)
   pg (~> 1.6.3)
   propshaft (~> 1.3.2)
   puma (~> 8.0)