diff --git a/.distignore b/.distignore
index da31e4e..dcb821b 100644
--- a/.distignore
+++ b/.distignore
@@ -4,7 +4,6 @@
 .git
 .gitignore
 .gitattributes
-.travis.yml
 .DS_Store
 .wordpress-org
 .github
diff --git a/.gitattributes b/.gitattributes
index 034fdd4..1b1d528 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -3,7 +3,6 @@
 .editorconfig export-ignore
 .gitattributes export-ignore
 .gitignore export-ignore
-.travis.yml export-ignore
 composer.json export-ignore
 deploy.sh export-ignore
 phpcs.xml.dist export-ignore
diff --git a/.github/workflows/phpunit-ci.yml b/.github/workflows/phpunit-ci.yml
new file mode 100644
index 0000000..21df7c2
--- /dev/null
+++ b/.github/workflows/phpunit-ci.yml
@@ -0,0 +1,112 @@
+name: PHPUnit Tests
+
+on:
+  push:
+    branches:
+      - master
+      - release/*
+  pull_request:
+
+jobs:
+  test:
+    name: PHP ${{ matrix.php }} - WP ${{ matrix.wp }}
+    runs-on: ubuntu-latest
+    
+    permissions:
+      contents: read
+    
+    strategy:
+      fail-fast: false
+      matrix:
+        php: ['7.4', '8.0', '8.1', '8.2']
+        wp: ['latest']
+        experimental: [false]
+        include:
+          # Test with older WordPress version
+          - php: '7.4'
+            wp: '4.9'
+            experimental: false
+          - php: '8.0'
+            wp: '4.9'
+            experimental: false
+          # Test with WordPress trunk/master (allow failures)
+          - php: '8.2'
+            wp: 'trunk'
+            experimental: true
+    
+    continue-on-error: ${{ matrix.experimental }}
+    
+    services:
+      mysql:
+        image: mysql:5.7
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: yes
+          MYSQL_DATABASE: wordpress_tests
+        ports:
+          - 3306:3306
+        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: mysqli
+          coverage: none
+          tools: composer
+      
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+      
+      - name: Setup Composer cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+      
+      - name: Install Composer dependencies
+        run: composer install --prefer-dist --no-progress --no-interaction
+      
+      - name: PHP Lint
+        run: find -L . -path ./vendor -prune -o -name '*.php' -not -name 'class-wp-ms-network-command.php' -print0 | xargs -0 -n 1 -P 4 php -l
+      
+      - name: Setup WordPress test environment
+        env:
+          WP_VERSION: ${{ matrix.wp }}
+        run: |
+          if [[ "$WP_VERSION" == "latest" ]]; then
+            WP_VERSION=$(curl -s http://api.wordpress.org/core/version-check/1.7/ | grep -o '"version":"[^"]*' | sed 's/"version":"//' | head -1)
+          fi
+          if [[ "$WP_VERSION" == "trunk" ]]; then
+            WP_VERSION="master"
+          fi
+          
+          # Get plugin slug from repository name
+          PLUGIN_SLUG=$(basename "$GITHUB_WORKSPACE")
+          
+          # Clone WordPress
+          git clone --depth=1 --branch="$WP_VERSION" https://github.com/WordPress/wordpress-develop.git /tmp/wordpress
+          
+          # Setup plugin directory
+          mkdir -p /tmp/wordpress/src/wp-content/mu-plugins
+          cp -r "$GITHUB_WORKSPACE" "/tmp/wordpress/src/wp-content/mu-plugins/$PLUGIN_SLUG"
+          
+          # Configure tests
+          cd /tmp/wordpress
+          cp wp-tests-config-sample.php wp-tests-config.php
+          sed -i "s/youremptytestdbnamehere/wordpress_tests/" wp-tests-config.php
+          sed -i "s/yourusernamehere/root/" wp-tests-config.php
+          sed -i "s/yourpasswordhere//" wp-tests-config.php
+          sed -i "s/localhost/127.0.0.1/" wp-tests-config.php
+      
+      - name: Run PHPUnit tests
+        run: |
+          PLUGIN_SLUG=$(basename "$GITHUB_WORKSPACE")
+          cd "/tmp/wordpress/src/wp-content/mu-plugins/$PLUGIN_SLUG"
+          vendor/bin/phpunit -c phpunit.xml.dist
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index f253323..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,95 +0,0 @@
-sudo: false
-dist: trusty
-
-language: php
-
-notifications:
-  email:
-    on_success: never
-    on_failure: change
-
-cache:
-  directories:
-    - $HOME/.composer/cache
-
-matrix:
-  include:
-    - php: 7.4
-      env: WP_VERSION=latest WP_MULTISITE=1 PHPLINT=1
-    - php: 7.3
-      env: WP_VERSION=latest WP_MULTISITE=1
-    - php: 7.2
-      env: WP_VERSION=latest WP_MULTISITE=1
-    - php: 8.0
-      env: WP_VERSION=latest WP_MULTISITE=1 PHPLINT=1
-      dist: precise
-    - php: 7.2
-      env: WP_VERSION=4.9 WP_MULTISITE=1
-    - php: 8.0
-      env: WP_VERSION=4.9 WP_MULTISITE=1
-      dist: precise
-    - php: nightly
-      env: WP_VERSION=master WP_MULTISITE=1
-  allow_failures:
-    - php: nightly
-      env: WP_VERSION=master WP_MULTISITE=1
-
-before_script:
-  - |
-    if [[ "$COVERAGE" != "1" ]]; then
-      stable='^[0-9\.]+$'
-      if [[ "$TRAVIS_PHP_VERSION" =~ $stable ]]; then
-        if [ -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini ]; then
-          phpenv config-rm xdebug.ini
-        fi
-      fi
-    fi
-  - |
-    case "$TRAVIS_PHP_VERSION" in
-      5.6|5.5|5.4|5.3)
-        composer global require "phpunit/phpunit:^4"
-        ;;
-      5.2)
-        ;;
-      *)
-        composer install --no-interaction
-        ;;
-    esac
-  - |
-    if [[ "$WP_VERSION" == "latest" ]]; then
-      curl -s http://api.wordpress.org/core/version-check/1.7/ > /tmp/wp-latest.json
-      WP_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
-    fi
-  - PLUGIN_SLUG=$(basename $(pwd))
-  - export WP_DEVELOP_DIR=/tmp/wordpress/
-  - git clone --depth=50 --branch="$WP_VERSION" git://develop.git.wordpress.org/ /tmp/wordpress
-  - cd ..
-  - mkdir -p /tmp/wordpress/src/wp-content/mu-plugins
-  - cp -r "$PLUGIN_SLUG" "/tmp/wordpress/src/wp-content/mu-plugins/$PLUGIN_SLUG"
-  - cd /tmp/wordpress/
-  - cp wp-tests-config-sample.php wp-tests-config.php
-  - sed -i "s/youremptytestdbnamehere/wordpress_tests/" wp-tests-config.php
-  - sed -i "s/yourusernamehere/travis/" wp-tests-config.php
-  - sed -i "s/yourpasswordhere//" wp-tests-config.php
-  - mysql -e "CREATE DATABASE wordpress_tests;" -uroot
-  - cd "/tmp/wordpress/src/wp-content/mu-plugins/$PLUGIN_SLUG"
-  - phpenv rehash
-script:
-  - |
-    if [[ "$PHPLINT" == "1" ]]; then
-      find -L . -path ./vendor -prune -o -name '*.php' -not -name 'class-wp-ms-network-command.php' -print0 | xargs -0 -n 1 -P 4 php -l
-    fi
-  - |
-    case "$TRAVIS_PHP_VERSION" in
-      5.6|5.5|5.4|5.3|5.2)
-        phpunit -c phpunit.xml.dist
-        ;;
-      *)
-        if [[ "$COVERAGE" == "1" ]]; then
-          mkdir -p build/logs
-          vendor/bin/phpunit -c phpunit.xml.dist --coverage-clover build/logs/clover.xml
-        else
-          vendor/bin/phpunit -c phpunit.xml.dist
-        fi
-        ;;
-    esac
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1092ad9..3888d75 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -18,8 +18,9 @@ This project provides workflows for:
 
 * running integration tests (using PHPUnit)
 * checking coding and documentation standards (using PHPCodeSniffer).
+* static analysis (using PHPStan).
 
-It is also integrated with Travis-CI to ensure those always pass.
+It is also integrated with GitHub Actions to ensure those always pass.
 
 ### PHPUnit and PHPCS Workflows
 
diff --git a/deploy.sh b/deploy.sh
index 0e27008..56d46a9 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -96,7 +96,6 @@ svn propset --quiet svn:ignore ".editorconfig
 .git
 .gitattributes
 .gitignore
-.travis.yml
 composer.json
 composer.lock
 deploy.sh