diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..fb3698d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,43 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  PHPUnit:
+    name: PHPUnit (PHP ${{ matrix.php }})(${{ matrix.env }})
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        env:
+          - client
+          - server
+        php:
+          - 7.4
+          - 7.3
+          - 7.2
+          - 7.1
+          - 7.0
+          - 5.6
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: xdebug
+      - run: docker pull crossbario/autobahn-testsuite
+      - run: composer install
+
+      - run: sh tests/ab/run_ab_tests.sh
+        env:
+            ABTEST: ${{ matrix.env }}
+            SKIP_DEFLATE: _skip_deflate
+        if: ${{ matrix.php <= 5.6 }}
+
+      - run: sh tests/ab/run_ab_tests.sh
+        env:
+            ABTEST: ${{ matrix.env }}
+        if: ${{ matrix.php >= 7.0 }}
+      - run: vendor/bin/phpunit --verbose
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index f8f7b7c..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-language: php
-
-services: docker
-
-php:
-    - 5.6
-    - 7.0
-    - 7.1
-    - 7.2
-    - 7.3
-    - 7.4
-    - nightly
-
-env:
-    - ABTEST=client
-    - ABTEST=server
-
-matrix:
-    allow_failures:
-        - php: nightly
-
-before_install:
-    - docker pull crossbario/autobahn-testsuite
-
-before_script:
-    - composer install
-    - sh tests/ab/run_ab_tests.sh
-
-script:
-    - vendor/bin/phpunit
diff --git a/README.md b/README.md
index fba5093..1dfebf6 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # RFC6455 - The WebSocket Protocol
 
-[![Build Status](https://travis-ci.org/ratchetphp/RFC6455.svg?branch=master)](https://travis-ci.org/ratchetphp/RFC6455)
+[![Build Status](https://github.com/ratchetphp/RFC6455/workflows/CI/badge.svg)](https://github.com/ratchetphp/RFC6455/actions)
 [![Autobahn Testsuite](https://img.shields.io/badge/Autobahn-passing-brightgreen.svg)](http://socketo.me/reports/rfc-server/index.html)
 
 This library a protocol handler for the RFC6455 specification.
diff --git a/src/Messaging/Message.php b/src/Messaging/Message.php
index 07c1fba..aea2050 100644
--- a/src/Messaging/Message.php
+++ b/src/Messaging/Message.php
@@ -12,11 +12,13 @@ class Message implements \IteratorAggregate, MessageInterface {
      */
     private $len;
 
+    #[\ReturnTypeWillChange]
     public function __construct() {
         $this->_frames = new \SplDoublyLinkedList;
         $this->len = 0;
     }
 
+    #[\ReturnTypeWillChange]
     public function getIterator() {
         return $this->_frames;
     }
@@ -24,6 +26,7 @@ class Message implements \IteratorAggregate, MessageInterface {
     /**
      * {@inheritdoc}
      */
+    #[\ReturnTypeWillChange]
     public function count() {
         return count($this->_frames);
     }
@@ -31,6 +34,7 @@ class Message implements \IteratorAggregate, MessageInterface {
     /**
      * {@inheritdoc}
      */
+    #[\ReturnTypeWillChange]
     public function isCoalesced() {
         if (count($this->_frames) == 0) {
             return false;
diff --git a/tests/ab/run_ab_tests.sh b/tests/ab/run_ab_tests.sh
index 1d8d0c1..3df4a7d 100644
--- a/tests/ab/run_ab_tests.sh
+++ b/tests/ab/run_ab_tests.sh
@@ -1,14 +1,6 @@
 set -x
 cd tests/ab
 
-SKIP_DEFLATE=
-if [ "$TRAVIS" = "true" ]; then
-if [ $(phpenv version-name) = "hhvm" -o $(phpenv version-name) = "5.4" -o $(phpenv version-name) = "5.5" -o $(phpenv version-name) = "5.6" ]; then
-    echo "Skipping deflate autobahn tests for $(phpenv version-name)"
-    SKIP_DEFLATE=_skip_deflate
-fi
-fi
-
 if [ "$ABTEST" = "client" ]; then
   docker run --rm \
       -d \
@@ -44,7 +36,7 @@ if [ "$ABTEST" = "server" ]; then
   fi
 
   docker run --rm \
-      -it \
+      -i \
       -v ${PWD}:/config \
       -v ${PWD}/reports:/reports \
       --name fuzzingclient \
@@ -54,5 +46,3 @@ if [ "$ABTEST" = "server" ]; then
   # send the shutdown command to the PHP echo server
   wget -O - -q http://127.0.0.1:9001/shutdown
 fi
-
-
diff --git a/tests/unit/Messaging/MessageBufferTest.php b/tests/unit/Messaging/MessageBufferTest.php
index 75d790b..89dcca0 100644
--- a/tests/unit/Messaging/MessageBufferTest.php
+++ b/tests/unit/Messaging/MessageBufferTest.php
@@ -321,7 +321,11 @@ class MessageBufferTest extends TestCase
      * @requires PHP 7.0
      */
     public function testIniSizes($phpConfigurationValue, $expectedLimit) {
-        ini_set('memory_limit', $phpConfigurationValue);
+        $value = @ini_set('memory_limit', $phpConfigurationValue);
+        if ($value === false) {
+           $this->markTestSkipped("Does not support setting the memory_limit lower than current memory_usage");
+        }
+
         $messageBuffer = new MessageBuffer(
             new CloseFrameChecker(),
             function (Message $message) {},
@@ -348,7 +352,11 @@ class MessageBufferTest extends TestCase
      * @requires PHP 7.0
      */
     public function testInvalidIniSize() {
-        ini_set('memory_limit', 'lots of memory');
+        $value = @ini_set('memory_limit', 'lots of memory');
+        if ($value === false) {
+            $this->markTestSkipped("Does not support setting the memory_limit lower than current memory_usage");
+        }
+
         $messageBuffer = new MessageBuffer(
             new CloseFrameChecker(),
             function (Message $message) {},