diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c742ef6..aa0c329 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,15 +30,27 @@ jobs:
           php-version: ${{ matrix.php }}
           ini-values: memory_limit=128M
           extensions: dom, curl, libxml, mbstring, zip, bcmath, intl
-          coverage: none
+          coverage: xdebug
 
       - name: Install composer
         run: composer install --no-interaction --prefer-dist
 
-      - name: Execute tests on Linux
-        if: matrix.os == 'ubuntu-latest'
+      - name: Execute tests on Linux with cover
+        if: ${{ matrix.os == 'ubuntu-latest' && matrix.php == '8.3' }}
+        run: sudo vendor/bin/phpunit --testdox --coverage-clover clover.xml
+
+      - name: Execute tests on Linux with cover
+        if: ${{ matrix.os == 'ubuntu-latest' && matrix.php != '8.3' }}
         run: sudo vendor/bin/phpunit --testdox
 
       - name: Execute tests on Windows
         if: matrix.os == 'windows-latest'
         run: vendor/bin/phpunit.bat --exclude node --testdox
+
+      - name: Generate test coverage badge
+        if: ${{ matrix.os == 'ubuntu-latest' && matrix.php == '8.3' }}
+        uses: timkrase/phpunit-coverage-badge@v1.2.0
+        with:
+          coverage_badge_path: 'docs/badge-coverage.svg'
+          push_badge: true
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.gitignore b/.gitignore
index d3b4a0f..d71c5bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /coverage_report.xml
 /html_docs
 /phpunit.xml
+/clover.xml
diff --git a/README.md b/README.md
index 96f29dd..5e0e205 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![ru](docs/ru.svg)](docs/README.ru.md)
+[![ru](docs/ru.svg)](docs/README.ru.md) ![PHP versions](docs/php_version.svg) [![license MIT](docs/license-MIT.svg)](LICENSE.md)
 # PHP MultiRunner
 
 A package for running multiple processes in parallel in the background and, if necessary,
diff --git a/docs/README.ru.md b/docs/README.ru.md
index b7ee3ce..bb01324 100644
--- a/docs/README.ru.md
+++ b/docs/README.ru.md
@@ -1,4 +1,4 @@
-[![en](en.svg)](../README.md)
+[![en](en.svg)](../README.md) ![PHP versions](php_version.svg) [![license MIT](license-MIT.svg)](../LICENSE.md)
 # PHP MultiRunner
 
 Пакет для запуска множества процессов параллельно в фоне и, если необходимо, 
diff --git a/docs/badge-coverage.svg b/docs/badge-coverage.svg
new file mode 100644
index 0000000..5712e1c
--- /dev/null
+++ b/docs/badge-coverage.svg
@@ -0,0 +1,16 @@
+<svg width="100" height="20" xmlns="http://www.w3.org/2000/svg">
+    <!-- Created with Method Draw - http://github.com/duopixel/Method-Draw/ -->
+
+    <g>
+        <rect fill="none" id="canvas_background" height="22" width="102" y="-1" x="-1"/>
+    </g>
+    <g>
+        <rect rx="2" id="svg_1" height="18" width="98" y="1" x="1" stroke-width="1.5" stroke="#4c4c4c" fill="#4c4c4c"/>
+        <text transform="matrix(0.95, 0, 0, 1.01133, 0.0809801, -0.0237383)" font-weight="normal" xml:space="preserve" text-anchor="start" font-family="'Trebuchet MS', Gadget, sans-serif" font-size="12" id="svg_8" y="14.45" x="2.8" stroke-width="0" stroke="#4c4c4c" fill="#6e747d">coverage</text>
+        <text transform="matrix(0.95, 0, 0, 1.01133, 0.0809801, -0.0237383)" font-weight="normal" xml:space="preserve" text-anchor="start" font-family="'Trebuchet MS', Gadget, sans-serif" font-size="12" id="svg_3" y="13.9" x="2.2" stroke-width="0" stroke="#4c4c4c" fill="#ffffff">coverage</text>
+        <rect rx="2" id="svg_5" height="18" width="40.90531" y="1.01077" x="58.13716" stroke-width="1.5" stroke="#97ca00" fill="#97ca00"/>
+        <rect id="svg_7" height="18" width="10" y="1.01077" x="58.00804" stroke-width="1.5" stroke="#97ca00" fill="#97ca00"/>
+        <text transform="matrix(0.95, 0, 0, 1.01133, 0.0809801, -0.0237383)" font-weight="normal" xml:space="preserve" text-anchor="end" font-family="'Trebuchet MS', Gadget, sans-serif" font-size="10" id="svg_10" y="14.35" x="99" stroke-width="0" stroke="#4c4c4c" fill="#6e747d">80 %</text>
+        <text transform="matrix(0.95, 0, 0, 1.01133, 0.0809801, -0.0237383)" font-weight="normal" xml:space="preserve" text-anchor="end" font-family="'Trebuchet MS', Gadget, sans-serif" font-size="10" id="svg_9" y="13.8" x="98.4" stroke-width="0" stroke="#4c4c4c" fill="#ffffff">80 %</text>
+    </g>
+</svg>
\ No newline at end of file
diff --git a/docs/license-MIT.svg b/docs/license-MIT.svg
new file mode 100644
index 0000000..5e0fccf
--- /dev/null
+++ b/docs/license-MIT.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="95" height="20" role="img" aria-label="license: MIT"><title>license: MIT</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="95" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="64" height="20" fill="#555555"/><rect x="64" width="31" height="20" fill="#428f7e"/><rect width="95" 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"><image x="5" y="3" width="14" height="14" xlink:href="data:image/svg+xml;base64,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"/><text aria-hidden="true" x="415" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="370">license</text><text x="415" y="140" transform="scale(.1)" fill="#fff" textLength="370">license</text><text aria-hidden="true" x="785" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="210">MIT</text><text x="785" y="140" transform="scale(.1)" fill="#fff" textLength="210">MIT</text></g></svg>
\ No newline at end of file
diff --git a/docs/php_version.svg b/docs/php_version.svg
new file mode 100644
index 0000000..2888064
--- /dev/null
+++ b/docs/php_version.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="113" height="20" role="img" aria-label="php: 7.4 to 8.4"><title>php: 7.4 to 8.4</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="113" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#r)"><rect width="48" height="20" fill="#555555"/><rect x="48" width="65" height="20" fill="#777bb3"/><rect width="113" 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"><image x="5" y="3" width="14" height="14" xlink:href="data:image/svg+xml;base64,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"/><text aria-hidden="true" x="335" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="210">php</text><text x="335" y="140" transform="scale(.1)" fill="#fff" textLength="210">php</text><text aria-hidden="true" x="795" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="550">7.4 to 8.4</text><text x="795" y="140" transform="scale(.1)" fill="#fff" textLength="550">7.4 to 8.4</text></g></svg>
\ No newline at end of file