diff --git a/.gitignore b/.gitignore
index 147c05f2..3cbf5eae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,5 +14,8 @@
 # Folder for Visual Studio Code
 /.vscode/
 
+# Files for RVM holdouts
+.ruby-gemset
+
 # misc
 .DS_Store
diff --git a/.rubocop.yml b/.rubocop.yml
index 0269c78b..999ad5f5 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -4,7 +4,7 @@
 inherit_gem: { rubocop-rails-omakase: rubocop.yml }
 
 AllCops:
-  TargetRubyVersion: 3.0
+  TargetRubyVersion: 3.3
   Exclude:
     - "test/dummy/db/schema.rb"
     - "test/dummy/db/queue_schema.rb"
diff --git a/Gemfile.lock b/Gemfile.lock
index 8c030422..1a296ef2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,6 +61,7 @@ GEM
     erubi (1.13.0)
     et-orbi (1.2.11)
       tzinfo
+    fiddle (1.1.2)
     fugit (1.11.1)
       et-orbi (~> 1, >= 1.2.11)
       raabro (~> 1.4)
@@ -74,6 +75,7 @@ GEM
       reline (>= 0.4.2)
     json (2.8.2)
     language_server-protocol (3.17.0.3)
+    logger (1.6.0)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -90,6 +92,7 @@ GEM
       racc (~> 1.4)
     nokogiri (1.16.7-x86_64-linux)
       racc (~> 1.4)
+    ostruct (0.6.0)
     parallel (1.26.3)
     parser (3.3.6.0)
       ast (~> 2.4.1)
@@ -175,14 +178,18 @@ GEM
 PLATFORMS
   arm64-darwin-22
   arm64-darwin-23
+  arm64-darwin-24
   x86_64-darwin-21
   x86_64-darwin-23
   x86_64-linux
 
 DEPENDENCIES
   debug
+  fiddle
+  logger
   mocha
   mysql2
+  ostruct
   pg
   puma
   rubocop-rails-omakase
diff --git a/solid_queue.gemspec b/solid_queue.gemspec
index 7faeabfa..ed3f5c4e 100644
--- a/solid_queue.gemspec
+++ b/solid_queue.gemspec
@@ -44,4 +44,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "pg"
   spec.add_development_dependency "sqlite3"
   spec.add_development_dependency "rubocop-rails-omakase"
+  spec.add_development_dependency "ostruct"
+  spec.add_development_dependency "logger"
+  spec.add_development_dependency "fiddle"
 end