diff --git a/Gemfile.lock b/Gemfile.lock
index 04f10340b..497072e37 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -280,12 +280,11 @@ GEM
       rouge
       sprockets (>= 3)
       sprockets-rails
-    govuk_sidekiq (8.0.1)
+    govuk_sidekiq (9.0.0)
       gds-api-adapters (>= 19.1.0)
       govuk_app_config (>= 1.1)
-      redis (< 5)
-      redis-namespace (~> 1.6)
-      sidekiq (~> 6.5, >= 6.5.12)
+      redis-client (>= 0.22.2)
+      sidekiq (~> 7.0, < 8)
     govuk_test (4.1.0)
       brakeman (>= 5.0.2)
       capybara (>= 3.36)
@@ -348,7 +347,7 @@ GEM
     method_source (1.0.0)
     mime-types (3.5.2)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0820)
+    mime-types-data (3.2024.0903)
     mini_mime (1.1.5)
     mini_portile2 (2.8.7)
     minitest (5.25.1)
@@ -674,9 +673,10 @@ GEM
       ffi (~> 1.0)
     rdoc (6.7.0)
       psych (>= 4.0.0)
-    redis (4.8.1)
-    redis-namespace (1.11.0)
-      redis (>= 4)
+    redis (5.3.0)
+      redis-client (>= 0.22.0)
+    redis-client (0.22.2)
+      connection_pool
     regexp_parser (2.9.2)
     reline (0.5.10)
       io-console (~> 0.5)
@@ -780,10 +780,12 @@ GEM
       sidekiq (>= 3.0)
     shoulda-matchers (6.4.0)
       activesupport (>= 5.2.0)
-    sidekiq (6.5.12)
-      connection_pool (>= 2.2.5, < 3)
-      rack (~> 2.0)
-      redis (>= 4.5.0, < 5)
+    sidekiq (7.3.2)
+      concurrent-ruby (< 2)
+      connection_pool (>= 2.3.0)
+      logger
+      rack (>= 2.2.4)
+      redis-client (>= 0.22.2)
     signet (0.18.0)
       addressable (~> 2.8)
       faraday (>= 0.17.5, < 3.a)
diff --git a/app/controllers/bulk_add_batches_controller.rb b/app/controllers/bulk_add_batches_controller.rb
index 162b9c0ec..686dfbc0e 100644
--- a/app/controllers/bulk_add_batches_controller.rb
+++ b/app/controllers/bulk_add_batches_controller.rb
@@ -40,7 +40,7 @@ def import
       @batch.update!(batch_params.merge(state: "queued"))
 
       if @batch.entries_to_process.count > 20
-        MappingsBatchWorker.perform_async(@batch.id)
+        MappingsBatchJob.perform_async(@batch.id)
         flash[:show_background_batch_progress_modal] = true
       else
         @batch.process
diff --git a/app/controllers/import_batches_controller.rb b/app/controllers/import_batches_controller.rb
index c75113a05..b4f0c36e4 100644
--- a/app/controllers/import_batches_controller.rb
+++ b/app/controllers/import_batches_controller.rb
@@ -31,7 +31,7 @@ def import
       @batch.update!(batch_params.merge(state: "queued"))
 
       if @batch.entries_to_process.count > 20
-        MappingsBatchWorker.perform_async(@batch.id)
+        MappingsBatchJob.perform_async(@batch.id)
         flash[:show_background_batch_progress_modal] = true
       else
         @batch.process
diff --git a/app/workers/mappings_batch_worker.rb b/app/sidekiq/mappings_batch_worker.rb
similarity index 73%
rename from app/workers/mappings_batch_worker.rb
rename to app/sidekiq/mappings_batch_worker.rb
index 624a63639..03ba7a106 100644
--- a/app/workers/mappings_batch_worker.rb
+++ b/app/sidekiq/mappings_batch_worker.rb
@@ -1,5 +1,5 @@
-class MappingsBatchWorker
-  include Sidekiq::Worker
+class MappingsBatchJob
+  include Sidekiq::Job
   sidekiq_options retry: false
 
   def perform(mappings_batch_id)
@@ -11,3 +11,5 @@ def perform(mappings_batch_id)
     end
   end
 end
+
+MappingsBatchWorker = MappingsBatchJob
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
deleted file mode 100644
index 98860c611..000000000
--- a/config/initializers/sidekiq.rb
+++ /dev/null
@@ -1,2 +0,0 @@
-# Use Sidekiq strict args to force Sidekiq 6 deprecations to error ahead of upgrade to Sidekiq 7
-Sidekiq.strict_args!
diff --git a/spec/workers/mappings_batch_worker_spec.rb b/spec/sidekiq/mappings_batch_job_spec.rb
similarity index 78%
rename from spec/workers/mappings_batch_worker_spec.rb
rename to spec/sidekiq/mappings_batch_job_spec.rb
index 703715956..dcab8ef7d 100644
--- a/spec/workers/mappings_batch_worker_spec.rb
+++ b/spec/sidekiq/mappings_batch_job_spec.rb
@@ -1,12 +1,12 @@
 require "spec_helper"
 
-describe MappingsBatchWorker do
+describe MappingsBatchJob do
   describe "perform" do
     describe "recording history", versioning: true do
       let(:user) { create(:user, name: "Bob") }
       let(:mappings_batch) { create(:bulk_add_batch, user:) }
 
-      before { MappingsBatchWorker.new.perform(mappings_batch.id) }
+      before { MappingsBatchJob.new.perform(mappings_batch.id) }
 
       subject { Mapping.first.versions.last }
 
@@ -23,7 +23,7 @@
 
     context "batch being deleted before processing" do
       it "should not raise an error" do
-        expect { MappingsBatchWorker.new.perform(1234) }.to_not raise_error
+        expect { MappingsBatchJob.new.perform(1234) }.to_not raise_error
       end
     end
   end
diff --git a/spec/support/shared_examples/mappings_batch_controller.rb b/spec/support/shared_examples/mappings_batch_controller.rb
index 4cd51fa64..16c66cf73 100644
--- a/spec/support/shared_examples/mappings_batch_controller.rb
+++ b/spec/support/shared_examples/mappings_batch_controller.rb
@@ -25,7 +25,7 @@
   end
 
   it "queues a job" do
-    expect(MappingsBatchWorker.jobs.size).to eql(1)
+    expect(MappingsBatchJob.jobs.size).to eql(1)
   end
 
   it "updates the batch state" do
@@ -41,7 +41,7 @@
   end
 
   it "doesn't queue it (again)" do
-    expect(MappingsBatchWorker.jobs.size).to eql(0)
+    expect(MappingsBatchJob.jobs.size).to eql(0)
   end
 
   it "redirects to the site return URL" do
diff --git a/spec/support/sidekiq.rb b/spec/support/sidekiq.rb
index 7dff38eaa..903c80abd 100644
--- a/spec/support/sidekiq.rb
+++ b/spec/support/sidekiq.rb
@@ -5,6 +5,6 @@
 
 RSpec.configure do |config|
   config.before(:each) do
-    Sidekiq::Worker.clear_all
+    Sidekiq::Job.clear_all
   end
 end