diff --git a/.github/workflows/event-consumer.yml b/.github/workflows/event-consumer.yml
index e7ee7c706..0f4e817d5 100644
--- a/.github/workflows/event-consumer.yml
+++ b/.github/workflows/event-consumer.yml
@@ -46,6 +46,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:eventconsumer
+          buildNumberOffset: 4147
           configPath: eventconsumer/riff-raff.yaml
           contentDirectories: |
             eventconsumer:
diff --git a/.github/workflows/fake-breaking-news.yml b/.github/workflows/fake-breaking-news.yml
index 89cac2f85..f9c4a9a21 100644
--- a/.github/workflows/fake-breaking-news.yml
+++ b/.github/workflows/fake-breaking-news.yml
@@ -48,6 +48,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:fakebreakingnewslambda
+          buildNumberOffset: 4147
           configPath: fakebreakingnewslambda/riff-raff.yaml
           contentDirectories: |
             fakebreakingnewslambda:
diff --git a/.github/workflows/football.yml b/.github/workflows/football.yml
index e514c5f5e..fc1dd62fe 100644
--- a/.github/workflows/football.yml
+++ b/.github/workflows/football.yml
@@ -46,6 +46,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:football
+          buildNumberOffset: 4147
           configPath: football/riff-raff.yaml
           contentDirectories: |
             football:
diff --git a/.github/workflows/notification-worker-lambdas.yml b/.github/workflows/notification-worker-lambdas.yml
index 3f5463445..f21b2d5f4 100644
--- a/.github/workflows/notification-worker-lambdas.yml
+++ b/.github/workflows/notification-worker-lambdas.yml
@@ -57,8 +57,9 @@ jobs:
 
       - name: Publish docker image
         run: |
-          docker tag notificationworkerlambda:DEV $NOTIFICATION_LAMBDA_REPOSITORY_URL:$BUILD_NUMBER
-          docker push ${NOTIFICATION_LAMBDA_REPOSITORY_URL}:${BUILD_NUMBER}
+          ::set-env name=BUILD_NUMBER_WITH_OFFSET::$(($BUILD_NUMBER+4147))
+          docker tag notificationworkerlambda:DEV $NOTIFICATION_LAMBDA_REPOSITORY_URL:$BUILD_NUMBER_WITH_OFFSET
+          docker push ${NOTIFICATION_LAMBDA_REPOSITORY_URL}:${BUILD_NUMBER_WITH_OFFSET}
         env:
           NOTIFICATION_LAMBDA_REPOSITORY_ID: ${{ secrets.NOTIFICATION_LAMBDA_REPOSITORY_ID }}
           NOTIFICATION_LAMBDA_REPOSITORY_URL: ${{ secrets.NOTIFICATION_LAMBDA_REPOSITORY_URL }}
@@ -88,6 +89,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:notificationworkerlambda
+          buildNumberOffset: 4147
           configPath: notificationworkerlambda/riff-raff.yaml
           contentDirectories: |
             mobile-notifications-harvester-cfn:
diff --git a/.github/workflows/notification.yml b/.github/workflows/notification.yml
index 4cb721020..2ce957b55 100644
--- a/.github/workflows/notification.yml
+++ b/.github/workflows/notification.yml
@@ -45,6 +45,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:notification
+          buildNumberOffset: 4147
           configPath: notification/conf/riff-raff.yaml
           contentDirectories: |
             notification:
diff --git a/.github/workflows/registration.yml b/.github/workflows/registration.yml
index 69e23a75f..e9b6294e4 100644
--- a/.github/workflows/registration.yml
+++ b/.github/workflows/registration.yml
@@ -60,6 +60,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:registration
+          buildNumberOffset: 4147
           configPath: registration/conf/riff-raff.yaml
           contentDirectories: |
             registration:
diff --git a/.github/workflows/report-extractor.yml b/.github/workflows/report-extractor.yml
index 46a120629..bfe2cf08d 100644
--- a/.github/workflows/report-extractor.yml
+++ b/.github/workflows/report-extractor.yml
@@ -47,6 +47,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:reportextractor
+          buildNumberOffset: 4147
           configPath: reportextractor/riff-raff.yaml
           contentDirectories: |
             reportextractor:
diff --git a/.github/workflows/report.yml b/.github/workflows/report.yml
index 4613affee..8d6055781 100644
--- a/.github/workflows/report.yml
+++ b/.github/workflows/report.yml
@@ -45,6 +45,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:report
+          buildNumberOffset: 4147
           configPath: report/conf/riff-raff.yaml
           contentDirectories: |
             report:
diff --git a/.github/workflows/schedule-lambda.yml b/.github/workflows/schedule-lambda.yml
index cb11263cf..eac034d01 100644
--- a/.github/workflows/schedule-lambda.yml
+++ b/.github/workflows/schedule-lambda.yml
@@ -46,6 +46,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:schedule
+          buildNumberOffset: 4147
           configPath: schedulelambda/riff-raff.yaml
           contentDirectories: |
             schedule:
diff --git a/.github/workflows/slo-monitor.yml b/.github/workflows/slo-monitor.yml
index 10d7935c5..5166a7aa3 100644
--- a/.github/workflows/slo-monitor.yml
+++ b/.github/workflows/slo-monitor.yml
@@ -61,6 +61,7 @@ jobs:
         uses: guardian/actions-riff-raff@v2
         with:
           projectName: mobile-n10n:slomonitor
+          buildNumberOffset: 4147
           configPath: slomonitor/riff-raff.yaml
           contentDirectories: |
             slomonitor: