diff --git a/app/jobs/cron/datagouv/file_depose_by_month_job.rb b/app/jobs/cron/datagouv/file_depose_by_month_job.rb
new file mode 100644
index 000000000..1083d6c28
--- /dev/null
+++ b/app/jobs/cron/datagouv/file_depose_by_month_job.rb
@@ -0,0 +1,19 @@
+class Cron::Datagouv::FileDeposeByMonthJob < Cron::CronJob
+  include DatagouvCronSchedulableConcern
+  self.schedule_expression = "every month at 3:00"
+  FILE_NAME = "nb_dossiers_deposes_par_mois"
+
+  def perform(*args)
+    GenerateOpenDataCsvService.save_csv_to_tmp(FILE_NAME, data) do |file|
+      begin
+        APIDatagouv::API.upload(file, :statistics_dataset)
+      ensure
+        FileUtils.rm(file)
+      end
+    end
+  end
+
+  def data
+    Dossier.where(depose_at: 1.month.ago.beginning_of_month..1.month.ago.end_of_month).count
+  end
+end
diff --git a/spec/jobs/cron/datagouv/file_depose_by_month_job_spec.rb b/spec/jobs/cron/datagouv/file_depose_by_month_job_spec.rb
new file mode 100644
index 000000000..b942692d6
--- /dev/null
+++ b/spec/jobs/cron/datagouv/file_depose_by_month_job_spec.rb
@@ -0,0 +1,19 @@
+RSpec.describe Cron::Datagouv::FileDeposeByMonthJob, type: :job do
+  let!(:dossier) { create(:dossier, created_at: 1.month.ago) }
+  let(:status) { 200 }
+  let(:body) { "ok" }
+  let(:stub) { stub_request(:post, /https:\/\/www.data.gouv.fr\/api\/.*\/upload\//) }
+
+  describe 'perform' do
+    before do
+      stub
+    end
+
+    subject { Cron::Datagouv::FileByMonthJob.perform_now }
+
+    it 'send POST request to datagouv' do
+      subject
+      expect(stub).to have_been_requested
+    end
+  end
+end