diff --git a/app/models/concerns/rubygem_searchable.rb b/app/models/concerns/rubygem_searchable.rb
index 27eee6ad34f..98613692a99 100644
--- a/app/models/concerns/rubygem_searchable.rb
+++ b/app/models/concerns/rubygem_searchable.rb
@@ -25,7 +25,8 @@ module RubygemSearchable
           suggest: { type: "completion", contexts: { name: "yanked", type: "category" } },
           yanked: { type: "boolean" },
           downloads: { type: "long" },
-          updated: { type: "date" }
+          updated: { type: "date" },
+          trusted_publisher: { type: "boolean" }
         }
       }
     scope :search_import, -> { includes(:linkset, :gem_download, :most_recent_version, :versions, :latest_version) }
@@ -43,6 +44,7 @@ def search_data # rubocop:disable Metrics/MethodLength
         version_downloads: latest_version&.downloads_count,
         platform:          latest_version&.platform,
         authors:           latest_version&.authors,
+        trusted_publisher: latest_version&.pushed_by_trusted_publisher?,
         info:              latest_version&.info,
         licenses:          latest_version&.licenses,
         metadata:          latest_version&.metadata,
diff --git a/app/models/version.rb b/app/models/version.rb
index f3aa3e75413..ff29c6300a5 100644
--- a/app/models/version.rb
+++ b/app/models/version.rb
@@ -411,6 +411,10 @@ def gem_file_name
     "#{full_name}.gem"
   end
 
+  def pushed_by_trusted_publisher?
+    pusher_api_key&.trusted_publisher? ? true : false
+  end
+
   private
 
   def update_prerelease
diff --git a/app/views/searches/advanced.html.erb b/app/views/searches/advanced.html.erb
index 0a5ccd43042..6085cb65500 100644
--- a/app/views/searches/advanced.html.erb
+++ b/app/views/searches/advanced.html.erb
@@ -32,5 +32,8 @@
 
     <dt><%= label_tag :updated, t(".updated"), class: "form__label" %></dt>
     <dd><%= text_field_tag :updated, "", placeholder: ">#{1.week.ago.strftime('%F')}", class: "form__input", pattern: "\\s*(<=?|>=?)?[\\d-]+\\s*", data: { search_target: "attribute", action: "input->search#input keydown.enter->search#submit" } %></dd>
+
+    <dt><%= label_tag :trusted_publisher, t(".trusted_publisher"), class: "form__label" %></dt>
+    <dd><%= text_field_tag :trusted_publisher, "", placeholder: "true", class: "form__input", pattern: "true|false", data: { search_target: "attribute", action: "input->search#input keydown.enter->search#submit" } %></dd>
   </dl>
 </div>
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 66e603971e6..302772e6db7 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -844,6 +844,7 @@ de:
       summary:
       description:
       downloads:
+      trusted_publisher:
       updated:
       yanked:
     show:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index d88cefe17e9..2d9d17fd4fc 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -757,6 +757,7 @@ en:
       summary: Summary
       description: Description
       downloads: Downloads
+      trusted_publisher: Trusted Publisher
       updated: Updated
       yanked: Yanked
     show:
diff --git a/config/locales/es.yml b/config/locales/es.yml
index ee7e6a0d528..5564afbd1f6 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -870,6 +870,7 @@ es:
       summary: Resumen
       description: Descripción
       downloads: Descargas
+      trusted_publisher:
       updated: Actualizada
       yanked: Borrada
     show:
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 612d974d890..8970c73643c 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -794,6 +794,7 @@ fr:
       summary: Sommaire
       description: Description
       downloads: Téléchargements
+      trusted_publisher:
       updated: Mis à jour
       yanked:
     show:
diff --git a/config/locales/ja.yml b/config/locales/ja.yml
index 017c949cf28..8fab744e313 100644
--- a/config/locales/ja.yml
+++ b/config/locales/ja.yml
@@ -755,6 +755,7 @@ ja:
       summary: 概要
       description: 説明
       downloads: ダウンロード数
+      trusted_publisher:
       updated: 更新日
       yanked: ヤンク済み
     show:
diff --git a/config/locales/nl.yml b/config/locales/nl.yml
index e290c8869b8..218dc016fa8 100644
--- a/config/locales/nl.yml
+++ b/config/locales/nl.yml
@@ -748,6 +748,7 @@ nl:
       summary:
       description:
       downloads:
+      trusted_publisher:
       updated:
       yanked:
     show:
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index ce8a03c68ae..8604738e87a 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -772,6 +772,7 @@ pt-BR:
       summary:
       description:
       downloads:
+      trusted_publisher:
       updated:
       yanked:
     show:
diff --git a/config/locales/zh-CN.yml b/config/locales/zh-CN.yml
index 0e707dafd0c..5a9842cf09c 100644
--- a/config/locales/zh-CN.yml
+++ b/config/locales/zh-CN.yml
@@ -760,6 +760,7 @@ zh-CN:
       summary: 概要
       description: 描述
       downloads: 下载数
+      trusted_publisher:
       updated: 更新
       yanked: 撤回
     show:
diff --git a/config/locales/zh-TW.yml b/config/locales/zh-TW.yml
index c0962e266f1..6557b8f50a0 100644
--- a/config/locales/zh-TW.yml
+++ b/config/locales/zh-TW.yml
@@ -750,6 +750,7 @@ zh-TW:
       summary: 摘要
       description: 描述
       downloads: 下載數
+      trusted_publisher:
       updated: 更新於
       yanked: 移除於
     show:
diff --git a/test/factories/version.rb b/test/factories/version.rb
index 520cdb82c8e..0eea3aa68fb 100644
--- a/test/factories/version.rb
+++ b/test/factories/version.rb
@@ -28,6 +28,14 @@
       metadata { { "rubygems_mfa_required" => "true" } }
     end
 
+    trait :has_trusted_publisher do
+      pusher_api_key { association(:api_key, :trusted_publisher, key: SecureRandom.hex(24)) }
+    end
+
+    trait :has_untrusted_publisher do
+      pusher_api_key { association(:api_key, key: SecureRandom.hex(24)) }
+    end
+
     after(:create) do |version|
       if version.info_checksum.blank?
         checksum = GemInfo.new(version.rubygem.name).info_checksum
diff --git a/test/integration/search_test.rb b/test/integration/search_test.rb
index ad5c2c91b6f..44c2e09543c 100644
--- a/test/integration/search_test.rb
+++ b/test/integration/search_test.rb
@@ -115,4 +115,20 @@ class SearchTest < SystemTest
     refute page.has_content? "Search reverse dependencies Gems…"
     assert page.has_content? "This gem has no reverse dependencies"
   end
+
+  test "filtering by trusted publishers" do
+    rubygem1 = create(:rubygem, name: "LDAP", number: "1.0.0")
+    rubygem2 = create(:rubygem, name: "LDAP-Shady-Gem", number: "1.0.0")
+    create(:version, :has_trusted_publisher, rubygem: rubygem1, indexed: false)
+    create(:version, :has_untrusted_publisher, rubygem: rubygem2, indexed: false)
+    import_and_refresh
+
+    visit search_path
+
+    fill_in "query", with: "LDAP&trusted_publisher=true"
+    click_button "search_submit"
+
+    assert page.has_content? "LDAP"
+    assert page.has_no_content? "LDAP-Shady-Gem"
+  end
 end
diff --git a/test/models/pusher_test.rb b/test/models/pusher_test.rb
index 14fd53443cd..757913c03d4 100644
--- a/test/models/pusher_test.rb
+++ b/test/models/pusher_test.rb
@@ -636,6 +636,7 @@ def two_cert_chain(signing_key:, root_not_before: Time.current, cert_not_before:
           "version_downloads" => 0,
           "platform"          => "ruby",
           "authors"           => "Joe User",
+          "trusted_publisher" => false,
           "info"              => "Some awesome gem",
           "licenses"          => "MIT",
           "metadata"          => { "foo" => "bar" },
diff --git a/test/models/version_test.rb b/test/models/version_test.rb
index 98b9194785c..d0deb9f1f31 100644
--- a/test/models/version_test.rb
+++ b/test/models/version_test.rb
@@ -117,6 +117,38 @@ class VersionTest < ActiveSupport::TestCase
     end
   end
 
+  context "#pushed_by_trusted_publisher?" do
+    context "with a trusted publisher api key association" do
+      setup do
+        @version = build(:version, :has_trusted_publisher)
+      end
+
+      should "return true" do
+        assert_predicate @version, :pushed_by_trusted_publisher?
+      end
+    end
+
+    context "with an untrusted publisher api key association" do
+      setup do
+        @version = build(:version, :has_untrusted_publisher)
+      end
+
+      should "return false" do
+        refute_predicate @version, :pushed_by_trusted_publisher?
+      end
+    end
+
+    context "with no api key association" do
+      setup do
+        @version = build(:version)
+      end
+
+      should "return false" do
+        refute_predicate @version, :pushed_by_trusted_publisher?
+      end
+    end
+  end
+
   context "updated gems" do
     setup do
       @existing_gem = create(:rubygem)
diff --git a/test/system/advanced_search_test.rb b/test/system/advanced_search_test.rb
index 95775a32a6f..79d576cce26 100644
--- a/test/system/advanced_search_test.rb
+++ b/test/system/advanced_search_test.rb
@@ -39,7 +39,8 @@ class AdvancedSearchTest < ApplicationSystemTestCase
     fill_in "description", with: "foo"
     fill_in "downloads", with: ">69"
     fill_in "updated", with: ">2021-05-05"
+    fill_in "trusted_publisher", with: "true"
 
-    assert has_field? "Search Gems…", with: "name: hello summary: world description: foo downloads: >69 updated: >2021-05-05"
+    assert has_field? "Search Gems…", with: "name: hello summary: world description: foo downloads: >69 updated: >2021-05-05 trusted_publisher: true"
   end
 end