diff --git a/changelogs/unreleased/deprecated-comparing-actioncontroller-params-hash.yml b/changelogs/unreleased/deprecated-comparing-actioncontroller-params-hash.yml
new file mode 100644
index 00000000000..a7b9d054a4c
--- /dev/null
+++ b/changelogs/unreleased/deprecated-comparing-actioncontroller-params-hash.yml
@@ -0,0 +1,6 @@
+---
+title: 'Fix deprecation: Comparing equality between ActionController::Parameters and
+  a Hash is deprecated'
+merge_request: 23855
+author: Jasper Maes
+type: other
diff --git a/spec/controllers/concerns/issuable_collections_spec.rb b/spec/controllers/concerns/issuable_collections_spec.rb
index f87eed6ff9f..5a3a7a15f5a 100644
--- a/spec/controllers/concerns/issuable_collections_spec.rb
+++ b/spec/controllers/concerns/issuable_collections_spec.rb
@@ -90,7 +90,7 @@ describe IssuableCollections do
 
       finder_options = controller.send(:finder_options)
 
-      expect(finder_options).to eq({
+      expect(finder_options).to eq(ActionController::Parameters.new({
         'assignee_id' => '1',
         'assignee_username' => 'user1',
         'author_id' => '2',
@@ -103,7 +103,7 @@ describe IssuableCollections do
         'search' => 'baz',
         'sort' => 'priority',
         'state' => 'opened'
-      })
+      }).permit!)
     end
   end
 end
diff --git a/spec/controllers/profiles/preferences_controller_spec.rb b/spec/controllers/profiles/preferences_controller_spec.rb
index a66b4ab0902..b580e773459 100644
--- a/spec/controllers/profiles/preferences_controller_spec.rb
+++ b/spec/controllers/profiles/preferences_controller_spec.rb
@@ -45,7 +45,7 @@ describe Profiles::PreferencesController do
           theme_id: '2'
         }.with_indifferent_access
 
-        expect(user).to receive(:assign_attributes).with(prefs)
+        expect(user).to receive(:assign_attributes).with(ActionController::Parameters.new(prefs).permit!)
         expect(user).to receive(:save)
 
         go params: prefs
diff --git a/spec/controllers/projects/notes_controller_spec.rb b/spec/controllers/projects/notes_controller_spec.rb
index d2a26068362..9a5df2aded7 100644
--- a/spec/controllers/projects/notes_controller_spec.rb
+++ b/spec/controllers/projects/notes_controller_spec.rb
@@ -248,13 +248,13 @@ describe Projects::NotesController do
 
     context 'when merge_request_diff_head_sha present' do
       before do
-        service_params = {
+        service_params = ActionController::Parameters.new({
           note: 'some note',
           noteable_id: merge_request.id.to_s,
           noteable_type: 'MergeRequest',
           merge_request_diff_head_sha: 'sha',
           in_reply_to_discussion_id: nil
-        }
+        }).permit!
 
         expect(Notes::CreateService).to receive(:new).with(project, user, service_params).and_return(double(execute: true))
       end
diff --git a/spec/controllers/projects/pages_domains_controller_spec.rb b/spec/controllers/projects/pages_domains_controller_spec.rb
index 75871eab1ab..b9cf3e9b091 100644
--- a/spec/controllers/projects/pages_domains_controller_spec.rb
+++ b/spec/controllers/projects/pages_domains_controller_spec.rb
@@ -78,7 +78,7 @@ describe Projects::PagesDomainsController do
     it 'updates the domain' do
       expect(pages_domain)
         .to receive(:update)
-        .with(pages_domain_params)
+        .with(ActionController::Parameters.new(pages_domain_params).permit!)
         .and_return(true)
 
       patch(:update, params)
diff --git a/spec/requests/jwt_controller_spec.rb b/spec/requests/jwt_controller_spec.rb
index e042d772718..2d87d236d61 100644
--- a/spec/requests/jwt_controller_spec.rb
+++ b/spec/requests/jwt_controller_spec.rb
@@ -31,7 +31,7 @@ describe JwtController do
       context 'project with enabled CI' do
         subject! { get '/jwt/auth', parameters, headers }
 
-        it { expect(service_class).to have_received(:new).with(project, nil, parameters) }
+        it { expect(service_class).to have_received(:new).with(project, nil, ActionController::Parameters.new(parameters).permit!) }
       end
 
       context 'project with disabled CI' do
@@ -57,7 +57,7 @@ describe JwtController do
 
         it 'authenticates correctly' do
           expect(response).to have_gitlab_http_status(200)
-          expect(service_class).to have_received(:new).with(nil, user, parameters)
+          expect(service_class).to have_received(:new).with(nil, user, ActionController::Parameters.new(parameters).permit!)
         end
       end
     end
@@ -68,7 +68,7 @@ describe JwtController do
 
       subject! { get '/jwt/auth', parameters, headers }
 
-      it { expect(service_class).to have_received(:new).with(nil, user, parameters) }
+      it { expect(service_class).to have_received(:new).with(nil, user, ActionController::Parameters.new(parameters).permit!) }
 
       context 'when passing a flat array of scopes' do
         # We use this trick to make rails to generate a query_string:
@@ -83,7 +83,7 @@ describe JwtController do
         end
 
         let(:service_parameters) do
-          { service: service_name, scopes: %w(scope1 scope2) }
+          ActionController::Parameters.new({ service: service_name, scopes: %w(scope1 scope2) }).permit!
         end
 
         it { expect(service_class).to have_received(:new).with(nil, user, service_parameters) }