diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c553eab4..aa9083bbb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,13 +50,28 @@ jobs:
         with:
           coverageFile: coverage.xml
           token: ${{ secrets.GITHUB_TOKEN }}
-
+      - if: matrix.python-version == '3.12'
+        run: |
+          pip install genbadge[coverage]
+          genbadge coverage --input-file coverage.xml --output-file ./dist/coverage/coverage-badge.svg
+          coverage html -d dist/coverage
+      - if: matrix.python-version == '3.12'
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage
+          retention-days: 1
+          path: dist
 
 
   deploy:
+    needs: [test]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: coverage
+          path: dist
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
diff --git a/.gitignore b/.gitignore
index 0d5d9ce5b..fde0f363f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,17 @@
 __pycache__/
+.coverage
 .env
+.ipynb_checkpoints
 .vscode/launch.json
+*.DS_Store
 *.egg-info/
 build/
+coverage.xml
 dist/
 docs/
-user_docs/
+output/
 tests/cache
 tests/generated_json_schemas
 tmp/
-output/
-*.DS_Store
-.ipynb_checkpoints
+user_docs/
+
diff --git a/README.md b/README.md
index 58cdce47b..fbc16d130 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@
 [![downloads](https://static.pepy.tech/badge/bioimageio.spec)](https://pepy.tech/project/bioimageio.spec)
 [![conda-forge downloads](https://img.shields.io/conda/dn/conda-forge/bioimageio.spec.svg?label=conda-forge)](https://anaconda.org/conda-forge/bioimageio.spec/)
 ![code style](https://img.shields.io/badge/code%20style-black-000000.svg)
+[![coverage](https://bioimage-io.github.io/spec-bioimage-io/coverage/coverage-badge.svg)](https://bioimage-io.github.io/spec-bioimage-io/coverage/index.html)
 
 # Specifications for bioimage.io