diff --git a/CHANGELOG.md b/CHANGELOG.md
index b16cddbc..d83e138e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+## Changed
+
+- Deprecated `Pundit::SUFFIX`, moved it to `Pundit::PolicyFinder::SUFFIX` (#835)
+
 ## 2.4.0 (2024-08-26)
 
 ## Changed
diff --git a/lib/pundit.rb b/lib/pundit.rb
index a7263b39..4f143086 100644
--- a/lib/pundit.rb
+++ b/lib/pundit.rb
@@ -19,7 +19,9 @@ class Pundit::Error < StandardError; end # rubocop:disable Style/ClassAndModuleC
 
 # @api public
 module Pundit
-  SUFFIX = "Policy"
+  # @api private
+  # @deprecated See {Pundit::PolicyFinder}
+  SUFFIX = Pundit::PolicyFinder::SUFFIX
 
   # @api private
   # @private
diff --git a/lib/pundit/policy_finder.rb b/lib/pundit/policy_finder.rb
index ecc6e9bb..b63e7276 100644
--- a/lib/pundit/policy_finder.rb
+++ b/lib/pundit/policy_finder.rb
@@ -10,6 +10,9 @@ module Pundit
   #   finder.scope #=> UserPolicy::Scope
   #
   class PolicyFinder
+    # @api private
+    SUFFIX = "Policy"
+
     attr_reader :object
 
     # @param object [any] the object to find policy and scope classes for