diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 1e1d1be..4eab69a 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -26,6 +26,15 @@ on:
         description: 'Specific image name (optional, leave empty for all in layer)'
         required: false
         type: string
+      notify_target:
+        description: 'Which orchestrator(s) to notify after publish'
+        default: 'both'
+        type: choice
+        options:
+          - both
+          - production
+          - staging
+          - none
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -482,3 +491,100 @@ jobs:
             -f visibility=public || true
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  # ============================================
+  # NOTIFY ORCHESTRATOR OF IMAGE UPDATES
+  # ============================================
+  resolve-notify-targets:
+    if: always() && !cancelled()
+    needs:
+      - build-infra-base
+      - build-infra-rust
+      - build-infra-go
+      - build-infra-foundry
+      - build-infra-scientific-python
+    runs-on: ubuntu-latest
+    outputs:
+      notify_production: ${{ steps.resolve.outputs.notify_production }}
+      notify_staging: ${{ steps.resolve.outputs.notify_staging }}
+    steps:
+      - name: Resolve notification targets
+        id: resolve
+        env:
+          EVENT_NAME: ${{ github.event_name }}
+          NOTIFY_TARGET: ${{ inputs.notify_target }}
+        run: |
+          results=("${{ needs.build-infra-base.result }}" \
+                   "${{ needs.build-infra-rust.result }}" \
+                   "${{ needs.build-infra-go.result }}" \
+                   "${{ needs.build-infra-foundry.result }}" \
+                   "${{ needs.build-infra-scientific-python.result }}")
+          should_notify=false
+          for r in "${results[@]}"; do
+            if [ "$r" = "success" ]; then
+              should_notify=true
+              break
+            fi
+          done
+          notify_production=false
+          notify_staging=false
+          if [ "$should_notify" = "true" ]; then
+            case "$EVENT_NAME:$NOTIFY_TARGET" in
+              workflow_dispatch:production)
+                notify_production=true
+                ;;
+              workflow_dispatch:staging)
+                notify_staging=true
+                ;;
+              workflow_dispatch:none)
+                ;;
+              *)
+                notify_production=true
+                notify_staging=true
+                ;;
+            esac
+          fi
+          echo "notify_production=${notify_production}" >> "$GITHUB_OUTPUT"
+          echo "notify_staging=${notify_staging}" >> "$GITHUB_OUTPUT"
+
+  notify-orchestrator-production:
+    if: needs.resolve-notify-targets.outputs.notify_production == 'true'
+    needs: resolve-notify-targets
+    runs-on: ubuntu-latest
+    environment: production
+    steps:
+      - name: Notify production orchestrator of catalog update
+        env:
+          ORCHESTRATOR_ADMIN_URL: ${{ secrets.ORCHESTRATOR_ADMIN_URL }}
+          ORCHESTRATOR_ADMIN_API_KEY: ${{ secrets.ORCHESTRATOR_ADMIN_API_KEY }}
+        run: |
+          if [ -z "$ORCHESTRATOR_ADMIN_URL" ] || [ -z "$ORCHESTRATOR_ADMIN_API_KEY" ]; then
+            echo "::warning::Orchestrator secrets not configured, skipping catalog notification"
+            exit 0
+          fi
+          curl -sf --max-time 30 -X POST \
+            "${ORCHESTRATOR_ADMIN_URL}/catalog/notify-update" \
+            -H "Authorization: Bearer ${ORCHESTRATOR_ADMIN_API_KEY}" \
+            -H "Content-Type: application/json" \
+            -d '{}'
+
+  notify-orchestrator-staging:
+    if: needs.resolve-notify-targets.outputs.notify_staging == 'true'
+    needs: resolve-notify-targets
+    runs-on: ubuntu-latest
+    environment: staging
+    steps:
+      - name: Notify staging orchestrator of catalog update
+        env:
+          ORCHESTRATOR_ADMIN_URL: ${{ secrets.ORCHESTRATOR_ADMIN_URL }}
+          ORCHESTRATOR_ADMIN_API_KEY: ${{ secrets.ORCHESTRATOR_ADMIN_API_KEY }}
+        run: |
+          if [ -z "$ORCHESTRATOR_ADMIN_URL" ] || [ -z "$ORCHESTRATOR_ADMIN_API_KEY" ]; then
+            echo "::warning::Orchestrator secrets not configured, skipping catalog notification"
+            exit 0
+          fi
+          curl -sf --max-time 30 -X POST \
+            "${ORCHESTRATOR_ADMIN_URL}/catalog/notify-update" \
+            -H "Authorization: Bearer ${ORCHESTRATOR_ADMIN_API_KEY}" \
+            -H "Content-Type: application/json" \
+            -d '{}'