diff --git a/.coveralls.yml b/.coveralls.yml
deleted file mode 100644
index 428247cd..00000000
--- a/.coveralls.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-coverage_clover: tests/logs/clover.xml
-json_path: tests/logs/coveralls-upload.json
-service_name: travis-ci
diff --git a/.github/workflows/code-coverage.yml b/.github/workflows/code-coverage.yml
new file mode 100644
index 00000000..c86b51cb
--- /dev/null
+++ b/.github/workflows/code-coverage.yml
@@ -0,0 +1,34 @@
+name: "code coverage"
+
+on: ["pull_request", "push"]
+
+jobs:
+  code-coverage:
+    name: "code coverage"
+
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - name: "checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "installing PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.0"
+          ini-values: memory_limit=-1
+          tools: composer:v2, cs2pr
+          extensions: bcmath, mbstring, intl, sodium, json
+
+      - name: "installing dependencies"
+        run: "composer install --no-interaction --no-progress --ignore-platform-req php"
+
+      - name: "running unit tests ( phpunit )"
+        run: "php vendor/bin/phpunit"
+
+      - name: "sending code coverage to coveralls"
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          composer global require php-coveralls/php-coveralls
+          php-coveralls -x tests/logs/clover.xml -o tests/logs/coveralls-upload.json -v
diff --git a/.stickler.yml b/.stickler.yml
deleted file mode 100644
index 27920639..00000000
--- a/.stickler.yml
+++ /dev/null
@@ -1,9 +0,0 @@
-linters:
-  phpcs:
-    standard: PSR2
-    fixer: true
-files:
-  ignore:
-    - 'vendor/*'
-fixers:
-  enable: true
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index fbf48add..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,29 +0,0 @@
-dist: trusty
-language: php
-sudo: required
-os:
-  - linux
-
-jobs:
-  include:
-    - php: 7.4
-  fast_finish: true
-
-cache:
-  directories:
-    - $HOME/.composer/cache/files
-
-before_install:
-  - git clone -b stable https://github.com/jedisct1/libsodium.git
-  - cd libsodium && sudo ./configure && sudo make check && sudo make install && cd ..
-
-install:
-  - pecl channel-update pecl.php.net
-  - pecl install libsodium
-  - composer install
-
-script:
-  - php vendor/bin/phpunit
-
-after_script:
-  - composer code:coverage
diff --git a/composer.json b/composer.json
index f77e6e80..8a9a9fe7 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,6 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",
-        "php-coveralls/php-coveralls": "^2.4",
         "friendsofphp/php-cs-fixer": "^2.17",
         "roave/security-advisories": "dev-master",
         "squizlabs/php_codesniffer": "^3.5",