diff --git a/gems/active_job/Gemfile b/gems/active_job/Gemfile
index defccea..a234c9c 100644
--- a/gems/active_job/Gemfile
+++ b/gems/active_job/Gemfile
@@ -8,7 +8,7 @@ gem "julewire-core", path: "../core"
 gem "julewire-rails_support", path: "../rails_support"
 
 # TODO: Remove when a Rails patch fixes JSON 3 keyword options in ActiveSupport::JSON.decode.
-gem "json", "< 3"
+gem "json", "< 4"
 
 gem "irb"
 gem "rake", ">= 13.4"
diff --git a/gems/active_job/Gemfile.lock b/gems/active_job/Gemfile.lock
index 78be060..ed5e67d 100644
--- a/gems/active_job/Gemfile.lock
+++ b/gems/active_job/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
       prism (>= 1.3.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
-    json (2.21.2)
+    json (3.0.2)
     language_server-protocol (3.17.0.6)
     lint_roller (1.1.0)
     logger (1.7.0)
@@ -257,7 +257,7 @@ DEPENDENCIES
   debride (>= 1.15)
   flay (>= 2.14)
   irb
-  json (< 3)
+  json (< 4)
   julewire-active_job!
   julewire-core!
   julewire-rails_support!
@@ -300,7 +300,7 @@ CHECKSUMS
   i18n (1.15.2) sha256=00f9eb62412fe593b2a65a97daa75300d37abb8f7202ec748e94b6d46a9dd1b5
   io-console (0.9.2) sha256=efa74f891dd03c0939a931dfc6e74c2813d904763d456ea9762b0525e748db08
   irb (1.18.0) sha256=de9454a0703a54704b9811a5ef31a60c86949fbf4013fcf244fabc7c775248e3
-  json (2.21.2) sha256=1f1d3b7cf2b3ba1a69beca0bb6db13d5438b80bff3cd54cdaaa620b9b07c1c6a
+  json (3.0.2) sha256=8e6d7e7b11384c21230430cef90b71f14849a34a1f4452796670f7c981bd19df
   julewire-active_job (1.1.5)
   julewire-core (1.1.5)
   julewire-rails_support (1.1.5)