diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 67f10a6e..747bb8ef 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -38,7 +38,11 @@ jobs:
             --no-progress --follow-symlinks --delete --only-show-errors
 
       - name: Run firmware coverage script
-        run: ledger/coverage/gen-coverage
+        run: |
+          ledger/coverage/gen-coverage
+          COVPCT=$(cat ledger/coverage/output/total)
+          COVCOL=$(utils/coverage-color.sh $COVPCT)
+          echo "{ \"schemaVersion\": 1, \"label\": \"Firmware coverage\", \"message\": \"$COVPCT%\", \"color\": \"$COVCOL\" }" > ledger/coverage/output/badge.json
 
       - name: "Upload firmware coverage report"
         run: |
diff --git a/README.md b/README.md
index 30d585b3..f77da9ac 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 ![Tests](https://github.com/rsksmart/rsk-powhsm/actions/workflows/run-tests.yml/badge.svg)
 ![Python linter](https://github.com/rsksmart/rsk-powhsm/actions/workflows/lint-python.yml/badge.svg)
 ![C linter](https://github.com/rsksmart/rsk-powhsm/actions/workflows/lint-c.yml/badge.svg)
+![Middleware coverage](https://img.shields.io/endpoint?url=https://d16sboe9lzo4ru.cloudfront.net/middleware_coverage_report/badge.json)
+![Firmware coverage](https://img.shields.io/endpoint?url=https://d16sboe9lzo4ru.cloudfront.net/firmware_coverage_report/badge.json)
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](./LICENSE)