Try setting zeitwerk 2.6.0 as development dependency in general

Author: rosa

Gemfile.lock

@@ -178,7 +178,7 @@ GEM
     unicode-display_width (3.1.3)
       unicode-emoji (~> 4.0, >= 4.0.4)
     unicode-emoji (4.0.4)
-    zeitwerk (2.7.1)
+    zeitwerk (2.6.0)
 
 PLATFORMS
   arm64-darwin-22
@@ -199,6 +199,7 @@ DEPENDENCIES
   rubocop-rails-omakase
   solid_queue!
   sqlite3
+  zeitwerk (= 2.6.0)
 
 BUNDLED WITH
    2.5.9

solid_queue.gemspec

@@ -41,8 +41,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rubocop-rails-omakase"
   spec.add_development_dependency "rdoc"
   spec.add_development_dependency "logger"
-
-  if Gem::Version.new(RUBY_VERSION) < Gem::Version.new("3.2")
-    spec.add_development_dependency "zeitwerk", "2.6.0"
-  end
+  spec.add_development_dependency "zeitwerk", "2.6.0"
 end