diff --git a/.gitea/workflows/pest.yml b/.gitea/workflows/pest.yml
index 3abddb2..5b7bd2d 100644
--- a/.gitea/workflows/pest.yml
+++ b/.gitea/workflows/pest.yml
@@ -23,6 +23,13 @@ on:
         required: false
         type: string
         default: '--coverage --coverage-clover=coverage.xml'
+      coverage_badge:
+        required: false
+        type: boolean
+        default: false
+
+permissions:
+  contents: write
 
 jobs:
   pest:
@@ -45,9 +52,102 @@ jobs:
             ./vendor/bin/pest
           fi
 
-      - name: Upload coverage
-        if: ${{ inputs.coverage }}
-        uses: actions/upload-artifact@v3
-        with:
-          name: coverage
-          path: coverage.xml
\ No newline at end of file
+      - name: Generate coverage badge
+        if: ${{ inputs.coverage_badge }}
+        run: |
+          mkdir -p .gitea/badges
+
+          php <<'PHP'
+          <?php
+
+          $coverageFile = 'coverage.xml';
+          $badgeFile = '.gitea/badges/coverage.svg';
+
+          if (! file_exists($coverageFile)) {
+              fwrite(STDERR, "coverage.xml not found\n");
+              exit(1);
+          }
+
+          $xml = simplexml_load_file($coverageFile);
+
+          if (! $xml) {
+              fwrite(STDERR, "Could not parse coverage.xml\n");
+              exit(1);
+          }
+
+          $metrics = $xml->project->metrics ?? $xml->metrics ?? null;
+
+          if (! $metrics) {
+              fwrite(STDERR, "No coverage metrics found in coverage.xml\n");
+              exit(1);
+          }
+
+          $covered = (int) ($metrics['coveredstatements'] ?? 0);
+          $total = (int) ($metrics['statements'] ?? 0);
+
+          if ($total === 0) {
+              $percentage = 0;
+          } else {
+              $percentage = round(($covered / $total) * 100, 1);
+          }
+
+          $color = match (true) {
+              $percentage >= 90 => '#4c1',
+              $percentage >= 80 => '#97ca00',
+              $percentage >= 70 => '#dfb317',
+              $percentage >= 60 => '#fe7d37',
+              default => '#e05d44',
+          };
+
+          $label = 'coverage';
+          $message = $percentage . '%';
+
+          $labelWidth = 68;
+          $messageWidth = 48;
+          $width = $labelWidth + $messageWidth;
+
+          $svg = <<<SVG
+          <svg xmlns="http://www.w3.org/2000/svg" width="$width" height="20" role="img" aria-label="$label: $message">
+            <title>$label: $message</title>
+            <linearGradient id="s" x2="0" y2="100%">
+              <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+              <stop offset="1" stop-opacity=".1"/>
+            </linearGradient>
+            <clipPath id="r">
+              <rect width="$width" height="20" rx="3" fill="#fff"/>
+            </clipPath>
+            <g clip-path="url(#r)">
+              <rect width="$labelWidth" height="20" fill="#555"/>
+              <rect x="$labelWidth" width="$messageWidth" height="20" fill="$color"/>
+              <rect width="$width" height="20" fill="url(#s)"/>
+            </g>
+            <g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110">
+              <text aria-hidden="true" x="340" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="580">coverage</text>
+              <text x="340" y="140" transform="scale(.1)" fill="#fff" textLength="580">coverage</text>
+              <text aria-hidden="true" x="920" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="380">$message</text>
+              <text x="920" y="140" transform="scale(.1)" fill="#fff" textLength="380">$message</text>
+            </g>
+          </svg>
+          SVG;
+
+          file_put_contents($badgeFile, $svg);
+
+          echo "Generated $badgeFile with $message\n";
+          PHP
+
+      - name: Commit coverage badge
+        if: ${{ inputs.coverage_badge && gitea.event_name == 'push' && gitea.ref == 'refs/heads/main' }}
+        run: |
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
+          git config user.name "gitea-actions"
+          git config user.email "gitea-actions@git.qlic.nl"
+
+          git add .gitea/badges/coverage.svg
+
+          if git diff --cached --quiet; then
+            echo "Coverage badge unchanged"
+            exit 0
+          fi
+
+          git commit -m "Update coverage badge [skip ci]"
+          git push
\ No newline at end of file