diff --git a/.github/workflows/build-frontend.yml b/.github/workflows/build-frontend.yml
index ffcdfdf..ac6ebb7 100644
--- a/.github/workflows/build-frontend.yml
+++ b/.github/workflows/build-frontend.yml
@@ -168,3 +168,59 @@ jobs:
             echo ""
             echo "No se ha ejecutado Helm, kubectl, despliegue en EKS, Terraform apply ni Terraform destroy desde este repositorio."
           } >> "$GITHUB_STEP_SUMMARY"
+
+      - name: Notify infra-apps PRE deployment
+        if: ${{ success() }}
+        env:
+          INFRA_APPS_DISPATCH_TOKEN: ${{ secrets.INFRA_APPS_DISPATCH_TOKEN }}
+          IMAGE_TAG: ${{ steps.image.outputs.image_tag }}
+        shell: bash
+        run: |
+          set -euo pipefail
+
+          if [[ -z "${INFRA_APPS_DISPATCH_TOKEN}" ]]; then
+            echo "::notice::INFRA_APPS_DISPATCH_TOKEN is not configured. Skipping infra-apps repository_dispatch."
+            {
+              echo ""
+              echo "No se ha notificado a infra-apps porque falta el secret \`INFRA_APPS_DISPATCH_TOKEN\`."
+            } >> "$GITHUB_STEP_SUMMARY"
+            exit 0
+          fi
+
+          if [[ "${IMAGE_TAG}" != sha-* ]]; then
+            echo "::error::Image tag must start with sha-."
+            exit 1
+          fi
+
+          payload="$(jq -n \
+            --arg event_type "deploy-vestimenta-pre" \
+            --arg environment "pre" \
+            --arg component "frontend" \
+            --arg image_tag "${IMAGE_TAG}" \
+            --arg source_repo "${GITHUB_REPOSITORY}" \
+            --arg source_sha "${GITHUB_SHA}" \
+            --arg source_run_id "${GITHUB_RUN_ID}" \
+            '{
+              event_type: $event_type,
+              client_payload: {
+                environment: $environment,
+                component: $component,
+                image_tag: $image_tag,
+                source_repo: $source_repo,
+                source_sha: $source_sha,
+                source_run_id: $source_run_id
+              }
+            }')"
+
+          curl --fail-with-body --show-error --silent \
+            --request POST \
+            --url "https://api.github.com/repos/gesplan-idi/infra-apps/dispatches" \
+            --header "Accept: application/vnd.github+json" \
+            --header "Authorization: Bearer ${INFRA_APPS_DISPATCH_TOKEN}" \
+            --header "X-GitHub-Api-Version: 2022-11-28" \
+            --data "${payload}"
+
+          {
+            echo ""
+            echo "Repository dispatch enviado a \`gesplan-idi/infra-apps\` para desplegar \`${IMAGE_TAG}\` en PRE."
+          } >> "$GITHUB_STEP_SUMMARY"