diff --git a/actioncable/lib/action_cable.rb b/actioncable/lib/action_cable.rb
index b0f605095dda1..1c5ade49824fa 100644
--- a/actioncable/lib/action_cable.rb
+++ b/actioncable/lib/action_cable.rb
@@ -29,8 +29,21 @@
 
 Zeitwerk::Loader.for_gem.tap do |loader|
   loader.ignore(
-    "#{__dir__}/rails", # Contains generators, templates, docs, etc.
+    # Contains generators, templates, docs, etc.
+    "#{__dir__}/rails",
+
+    # These two files set things up in a special way.
+    #
+    # action_cable/gem_version.rb is not autoloadable, because it does not
+    # define the expected constant. action_cable/version.rb is, but in an
+    # indirect way.
+    #
+    # We could configure the autoloader accordingly, but loading the files
+    # manually makes you think less.
     "#{__dir__}/action_cable/gem_version.rb",
+    "#{__dir__}/action_cable/version.rb",
+
+    # Defines Rails.deprecator, which is not autoloadable.
     "#{__dir__}/action_cable/deprecator.rb",
   )
 
@@ -46,6 +59,7 @@
 # :markup: markdown
 # :include: ../README.md
 module ActionCable
+  require_relative "action_cable/gem_version"
   require_relative "action_cable/version"
   require_relative "action_cable/deprecator"