diff --git a/lib/pg_search.rb b/lib/pg_search.rb
index 9ad67ada..3206e1ff 100644
--- a/lib/pg_search.rb
+++ b/lib/pg_search.rb
@@ -18,7 +18,7 @@ module PgSearch
   autoload :Document, "pg_search/document"
 
   def self.included(base)
-    ActiveSupport::Deprecation.warn <<~MESSAGE
+    warn(<<~MESSAGE, category: :deprecated, uplevel: 1)
       Directly including `PgSearch` into an Active Record model is deprecated and will be removed in pg_search 3.0.
 
       Please replace `include PgSearch` with `include PgSearch::Model`.
@@ -34,8 +34,8 @@ def self.included(base)
   self.unaccent_function = "unaccent"
 
   class << self
-    def multisearch(*args)
-      PgSearch::Document.search(*args)
+    def multisearch(...)
+      PgSearch::Document.search(...)
     end
 
     def disable_multisearch
diff --git a/lib/pg_search/features/tsearch.rb b/lib/pg_search/features/tsearch.rb
index a4136bde..c2a3cc9d 100644
--- a/lib/pg_search/features/tsearch.rb
+++ b/lib/pg_search/features/tsearch.rb
@@ -70,9 +70,11 @@ def deprecated_headline_options
             unless value.nil?
               key = deprecated_key.camelize
 
-              ActiveSupport::Deprecation.warn(
+              warn(
                 "pg_search 3.0 will no longer accept :#{deprecated_key} as an argument to :ts_headline, " \
-                "use :#{key} instead."
+                "use :#{key} instead.",
+                category: :deprecated,
+                uplevel: 1
               )
 
               hash[key] = ts_headline_option_value(value)
diff --git a/lib/pg_search/multisearch.rb b/lib/pg_search/multisearch.rb
index 271d4582..bbe150dc 100644
--- a/lib/pg_search/multisearch.rb
+++ b/lib/pg_search/multisearch.rb
@@ -7,9 +7,11 @@ module Multisearch
     class << self
       def rebuild(model, deprecated_clean_up = nil, clean_up: true, transactional: true)
         unless deprecated_clean_up.nil?
-          ActiveSupport::Deprecation.warn(
+          warn(
             "pg_search 3.0 will no longer accept a boolean second argument to PgSearchMultisearch.rebuild, " \
-            "use keyword argument `clean_up:` instead."
+            "use keyword argument `clean_up:` instead.",
+            category: :deprecated,
+            uplevel: 1
           )
           clean_up = deprecated_clean_up
         end
diff --git a/spec/integration/deprecation_spec.rb b/spec/integration/deprecation_spec.rb
index 1f5ee149..919c1163 100644
--- a/spec/integration/deprecation_spec.rb
+++ b/spec/integration/deprecation_spec.rb
@@ -1,11 +1,12 @@
 # frozen_string_literal: true
 
 require "spec_helper"
+require "active_support/core_ext/kernel/reporting"
 
 describe "Including the deprecated PgSearch module" do
   with_model :SomeModel do
     model do
-      ActiveSupport::Deprecation.silence do
+      silence_warnings do
         include PgSearch
       end
     end
@@ -18,16 +19,14 @@
   end
 
   it "prints a deprecation message" do
-    allow(ActiveSupport::Deprecation).to receive(:warn)
+    allow(PgSearch).to receive(:warn)
 
     AnotherModel.include(PgSearch)
 
-    expect(ActiveSupport::Deprecation).to have_received(:warn).with(
-      <<~MESSAGE
-        Directly including `PgSearch` into an Active Record model is deprecated and will be removed in pg_search 3.0.
+    expect(PgSearch).to have_received(:warn).with(<<~MESSAGE, category: :deprecated, uplevel: 1)
+      Directly including `PgSearch` into an Active Record model is deprecated and will be removed in pg_search 3.0.
 
-        Please replace `include PgSearch` with `include PgSearch::Model`.
-      MESSAGE
-    )
+      Please replace `include PgSearch` with `include PgSearch::Model`.
+    MESSAGE
   end
 end
diff --git a/spec/lib/pg_search/features/tsearch_spec.rb b/spec/lib/pg_search/features/tsearch_spec.rb
index de639d1d..04be5a24 100644
--- a/spec/lib/pg_search/features/tsearch_spec.rb
+++ b/spec/lib/pg_search/features/tsearch_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require "spec_helper"
-require "active_support/deprecation"
+require "active_support/core_ext/kernel/reporting"
 
 describe PgSearch::Features::TSearch do
   describe "#rank" do
@@ -251,7 +251,7 @@
 
         feature = described_class.new(query, options, columns, Model, normalizer)
 
-        highlight_sql = ActiveSupport::Deprecation.silence { feature.highlight.to_sql }
+        highlight_sql = silence_warnings { feature.highlight.to_sql }
         expected_sql = %{(ts_headline('simple', (coalesce((#{Model.quoted_table_name}."name")::text, '')), (to_tsquery('simple', ''' ' || 'query' || ' ''')), 'StartSel = "<start class=""search"">", StopSel = "<stop>", MaxFragments = 3, MaxWords = 123, MinWords = 456, ShortWord = 4, FragmentDelimiter = "&hellip;", HighlightAll = FALSE'))}
 
         expect(highlight_sql).to eq(expected_sql)
diff --git a/spec/lib/pg_search/multisearch_spec.rb b/spec/lib/pg_search/multisearch_spec.rb
index 8d7eab86..3329a883 100644
--- a/spec/lib/pg_search/multisearch_spec.rb
+++ b/spec/lib/pg_search/multisearch_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require "spec_helper"
-require "active_support/deprecation"
+require "active_support/core_ext/kernel/reporting"
 
 # rubocop:disable RSpec/NestedGroups
 describe PgSearch::Multisearch do
@@ -82,7 +82,7 @@
 
       context "when deprecated_clean_up is true" do
         it "deletes the document for the model" do
-          ActiveSupport::Deprecation.silence { described_class.rebuild(model, true) }
+          silence_warnings { described_class.rebuild(model, true) }
           expect(PgSearch::Document.count).to eq(1)
           expect(PgSearch::Document.first.searchable_type).to eq("Bar")
         end
@@ -90,7 +90,7 @@
 
       context "when deprecated_clean_up is false" do
         it "does not delete the document for the model" do
-          ActiveSupport::Deprecation.silence { described_class.rebuild(model, false) }
+          silence_warnings { described_class.rebuild(model, false) }
           expect(PgSearch::Document.count).to eq(2)
         end
       end