diff --git a/README.md b/README.md
index 5a0fa25..d6ae610 100644
--- a/README.md
+++ b/README.md
@@ -315,13 +315,13 @@ Note that `Rack::Attack.cache` is only used for throttling, allow2ban and fail2b
 Customize the response of blocklisted and throttled requests using an object that adheres to the [Rack app interface](http://www.rubydoc.info/github/rack/rack/file/SPEC.rdoc).
 
 ```ruby
-Rack::Attack.blocklisted_callback = lambda do |request|
+Rack::Attack.blocklisted_responder = lambda do |request|
   # Using 503 because it may make attacker think that they have successfully
   # DOSed the site. Rack::Attack returns 403 for blocklists by default
   [ 503, {}, ['Blocked']]
 end
 
-Rack::Attack.throttled_callback = lambda do |request|
+Rack::Attack.throttled_responder = lambda do |request|
   # NB: you have access to the name and other data about the matched throttle
   #  request.env['rack.attack.matched'],
   #  request.env['rack.attack.match_type'],
@@ -427,10 +427,9 @@ def call(env)
   if safelisted?(req)
     @app.call(env)
   elsif blocklisted?(req)
-    self.class.blocklisted_callback.call(req)
+    self.class.blocklisted_responder.call(req)
   elsif throttled?(req)
-    self.class.throttled_response.call(env)
-    self.class.throttled_callback.call(req)
+    self.class.throttled_responder.call(req)
   else
     tracked?(req)
     @app.call(env)
diff --git a/lib/rack/attack.rb b/lib/rack/attack.rb
index bc9dbed..9b13416 100644
--- a/lib/rack/attack.rb
+++ b/lib/rack/attack.rb
@@ -66,10 +66,10 @@ module Rack
         :safelist_ip,
         :throttle,
         :track,
-        :throttled_callback,
-        :throttled_callback=,
-        :blocklisted_callback,
-        :blocklisted_callback=,
+        :throttled_responder,
+        :throttled_responder=,
+        :blocklisted_responder,
+        :blocklisted_responder=,
         :blocklisted_response,
         :blocklisted_response=,
         :throttled_response,
@@ -113,14 +113,14 @@ module Rack
         if configuration.blocklisted_response
           configuration.blocklisted_response.call(env)
         else
-          configuration.blocklisted_callback.call(request)
+          configuration.blocklisted_responder.call(request)
         end
       elsif configuration.throttled?(request)
         # Deprecated: Keeping throttled_response for backwards compatibility
         if configuration.throttled_response
           configuration.throttled_response.call(env)
         else
-          configuration.throttled_callback.call(request)
+          configuration.throttled_responder.call(request)
         end
       else
         configuration.tracked?(request)
diff --git a/lib/rack/attack/configuration.rb b/lib/rack/attack/configuration.rb
index c609310..67bcc61 100644
--- a/lib/rack/attack/configuration.rb
+++ b/lib/rack/attack/configuration.rb
@@ -5,9 +5,9 @@ require "ipaddr"
 module Rack
   class Attack
     class Configuration
-      DEFAULT_BLOCKLISTED_CALLBACK = lambda { |_req| [403, { 'Content-Type' => 'text/plain' }, ["Forbidden\n"]] }
+      DEFAULT_BLOCKLISTED_RESPONDER = lambda { |_req| [403, { 'Content-Type' => 'text/plain' }, ["Forbidden\n"]] }
 
-      DEFAULT_THROTTLED_CALLBACK = lambda do |req|
+      DEFAULT_THROTTLED_RESPONDER = lambda do |req|
         if Rack::Attack.configuration.throttled_response_retry_after_header
           match_data = req.env['rack.attack.match_data']
           now = match_data[:epoch_time]
@@ -20,22 +20,22 @@ module Rack
       end
 
       attr_reader :safelists, :blocklists, :throttles, :anonymous_blocklists, :anonymous_safelists
-      attr_accessor :blocklisted_callback, :throttled_callback, :throttled_response_retry_after_header
+      attr_accessor :blocklisted_responder, :throttled_responder, :throttled_response_retry_after_header
 
       attr_reader :blocklisted_response, :throttled_response # Keeping these for backwards compatibility
 
-      def blocklisted_response=(callback)
+      def blocklisted_response=(responder)
         # TODO: uncomment in 7.0
         # warn "[DEPRECATION] Rack::Attack.blocklisted_response is deprecated. "\
-        #   "Please use Rack::Attack.blocklisted_callback instead."
-        @blocklisted_response = callback
+        #   "Please use Rack::Attack.blocklisted_responder instead."
+        @blocklisted_response = responder
       end
 
-      def throttled_response=(callback)
+      def throttled_response=(responder)
         # TODO: uncomment in 7.0
         # warn "[DEPRECATION] Rack::Attack.throttled_response is deprecated. "\
-        #   "Please use Rack::Attack.throttled_callback instead"
-        @throttled_response = callback
+        #   "Please use Rack::Attack.throttled_responder instead"
+        @throttled_response = responder
       end
 
       def initialize
@@ -115,8 +115,8 @@ module Rack
         @anonymous_safelists = []
         @throttled_response_retry_after_header = false
 
-        @blocklisted_callback = DEFAULT_BLOCKLISTED_CALLBACK
-        @throttled_callback = DEFAULT_THROTTLED_CALLBACK
+        @blocklisted_responder = DEFAULT_BLOCKLISTED_RESPONDER
+        @throttled_responder = DEFAULT_THROTTLED_RESPONDER
 
         # Deprecated: Keeping these for backwards compatibility
         @blocklisted_response = nil
diff --git a/spec/acceptance/customizing_blocked_response_spec.rb b/spec/acceptance/customizing_blocked_response_spec.rb
index 9a53862..86fcd02 100644
--- a/spec/acceptance/customizing_blocked_response_spec.rb
+++ b/spec/acceptance/customizing_blocked_response_spec.rb
@@ -14,7 +14,7 @@ describe "Customizing block responses" do
 
     assert_equal 403, last_response.status
 
-    Rack::Attack.blocklisted_callback = lambda do |_req|
+    Rack::Attack.blocklisted_responder = lambda do |_req|
       [503, {}, ["Blocked"]]
     end
 
@@ -28,7 +28,7 @@ describe "Customizing block responses" do
     matched = nil
     match_type = nil
 
-    Rack::Attack.blocklisted_callback = lambda do |req|
+    Rack::Attack.blocklisted_responder = lambda do |req|
       matched = req.env['rack.attack.matched']
       match_type = req.env['rack.attack.match_type']
 
diff --git a/spec/acceptance/customizing_throttled_response_spec.rb b/spec/acceptance/customizing_throttled_response_spec.rb
index df875ec..39a3950 100644
--- a/spec/acceptance/customizing_throttled_response_spec.rb
+++ b/spec/acceptance/customizing_throttled_response_spec.rb
@@ -20,7 +20,7 @@ describe "Customizing throttled response" do
 
     assert_equal 429, last_response.status
 
-    Rack::Attack.throttled_callback = lambda do |_req|
+    Rack::Attack.throttled_responder = lambda do |_req|
       [503, {}, ["Throttled"]]
     end
 
@@ -36,7 +36,7 @@ describe "Customizing throttled response" do
     match_data = nil
     match_discriminator = nil
 
-    Rack::Attack.throttled_callback = lambda do |req|
+    Rack::Attack.throttled_responder = lambda do |req|
       matched = req.env['rack.attack.matched']
       match_type = req.env['rack.attack.match_type']
       match_data = req.env['rack.attack.match_data']
diff --git a/spec/rack_attack_spec.rb b/spec/rack_attack_spec.rb
index c55fa20..c835835 100644
--- a/spec/rack_attack_spec.rb
+++ b/spec/rack_attack_spec.rb
@@ -64,15 +64,15 @@ describe 'Rack::Attack' do
       end
     end
 
-    describe '#blocklisted_callback' do
+    describe '#blocklisted_responder' do
       it 'should exist' do
-        _(Rack::Attack.blocklisted_callback).must_respond_to :call
+        _(Rack::Attack.blocklisted_responder).must_respond_to :call
       end
     end
 
-    describe '#throttled_callback' do
+    describe '#throttled_responder' do
       it 'should exist' do
-        _(Rack::Attack.throttled_callback).must_respond_to :call
+        _(Rack::Attack.throttled_responder).must_respond_to :call
       end
     end
   end