diff --git a/.github/workflows/smokeshow.yml b/.github/workflows/smokeshow.yml
new file mode 100644
index 0000000..606633a
--- /dev/null
+++ b/.github/workflows/smokeshow.yml
@@ -0,0 +1,35 @@
+name: Smokeshow
+
+on:
+  workflow_run:
+    workflows: [Test]
+    types: [completed]
+
+permissions:
+  statuses: write
+
+jobs:
+  smokeshow:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
+
+      - run: pip install smokeshow
+
+      - uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: test.yml
+          commit: ${{ github.event.workflow_run.head_sha }}
+
+      - run: smokeshow upload coverage-html
+        env:
+          SMOKESHOW_GITHUB_STATUS_DESCRIPTION: Coverage {coverage-percentage}
+          SMOKESHOW_GITHUB_COVERAGE_THRESHOLD: 100
+          SMOKESHOW_GITHUB_CONTEXT: coverage
+          SMOKESHOW_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SMOKESHOW_GITHUB_PR_HEAD_SHA: ${{ github.event.workflow_run.head_sha }}
+          SMOKESHOW_AUTH_KEY: ${{ secrets.SMOKESHOW_AUTH_KEY }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bceec7e..03c55df 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -56,7 +56,43 @@ jobs:
       - name: Lint
         if: ${{ matrix.python-version != '3.6.15' }}
         run: python -m poetry run bash scripts/lint.sh
+      - run: mkdir coverage
       - name: Test
         run: python -m poetry run bash scripts/test.sh
-      - name: Upload coverage
-        uses: codecov/codecov-action@v3
+        env:
+          COVERAGE_FILE: coverage/.coverage.${{ runner.os }}-py${{ matrix.python-version }}
+          CONTEXT: ${{ runner.os }}-py${{ matrix.python-version }}
+      - name: Store coverage files
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage
+          path: coverage
+  coverage-combine:
+    needs: [test]
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+
+      - name: Get coverage files
+        uses: actions/download-artifact@v3
+        with:
+          name: coverage
+          path: coverage
+
+      - run: pip install coverage[toml]
+
+      - run: ls -la coverage
+      - run: coverage combine coverage
+      - run: coverage report
+      - run: coverage html --show-contexts --title "Coverage for ${{ github.sha }}"
+
+      - name: Store coverage HTML
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage-html
+          path: htmlcov
diff --git a/README.md b/README.md
index 5a63c9d..5721f1c 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,8 @@
 <a href="https://github.com/tiangolo/sqlmodel/actions?query=workflow%3APublish" target="_blank">
     <img src="https://github.com/tiangolo/sqlmodel/workflows/Publish/badge.svg" alt="Publish">
 </a>
-<a href="https://codecov.io/gh/tiangolo/sqlmodel" target="_blank">
-    <img src="https://img.shields.io/codecov/c/github/tiangolo/sqlmodel?color=%2334D058" alt="Coverage">
-</a>
+<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/tiangolo/sqlmodel" target="_blank">
+    <img src="https://coverage-badge.samuelcolvin.workers.dev/tiangolo/sqlmodel.svg" alt="Coverage">
 <a href="https://pypi.org/project/sqlmodel" target="_blank">
     <img src="https://img.shields.io/pypi/v/sqlmodel?color=%2334D058&label=pypi%20package" alt="Package version">
 </a>
diff --git a/docs/index.md b/docs/index.md
index 5a63c9d..5721f1c 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -11,9 +11,8 @@
 <a href="https://github.com/tiangolo/sqlmodel/actions?query=workflow%3APublish" target="_blank">
     <img src="https://github.com/tiangolo/sqlmodel/workflows/Publish/badge.svg" alt="Publish">
 </a>
-<a href="https://codecov.io/gh/tiangolo/sqlmodel" target="_blank">
-    <img src="https://img.shields.io/codecov/c/github/tiangolo/sqlmodel?color=%2334D058" alt="Coverage">
-</a>
+<a href="https://coverage-badge.samuelcolvin.workers.dev/redirect/tiangolo/sqlmodel" target="_blank">
+    <img src="https://coverage-badge.samuelcolvin.workers.dev/tiangolo/sqlmodel.svg" alt="Coverage">
 <a href="https://pypi.org/project/sqlmodel" target="_blank">
     <img src="https://img.shields.io/pypi/v/sqlmodel?color=%2334D058&label=pypi%20package" alt="Package version">
 </a>
diff --git a/pyproject.toml b/pyproject.toml
index 3e0dd9b..e3b1d3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,6 +67,7 @@ source = [
     "tests",
     "sqlmodel"
 ]
+context = '${CONTEXT}'
 
 [tool.coverage.report]
 exclude_lines = [
diff --git a/scripts/test-cov-html.sh b/scripts/test-cov-html.sh
deleted file mode 100755
index b15445f..0000000
--- a/scripts/test-cov-html.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-set -x
-
-bash ./scripts/test.sh
-coverage html
diff --git a/scripts/test.sh b/scripts/test.sh
index 7fce865..9b758bd 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -6,4 +6,4 @@ set -x
 coverage run -m pytest tests
 coverage combine
 coverage report --show-missing
-coverage xml
+coverage html