diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 00000000..937bd243
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,53 @@
+name: Tests
+
+on:
+  push:
+  pull_request:
+    branches:
+      - main
+
+#env:
+  # ACTIONS_RUNNER_FORCED_INTERNAL_NODE_VERSION: node16
+  # ACTIONS_RUNNER_FORCE_ACTIONS_NODE_VERSION: node16
+  # ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
+
+jobs:
+  tests:
+    name: Run tests (${{ matrix.image }})
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - image: 1.7.4-erlang-21.3.8.24-debian-stretch-20210902-slim
+          - image: 1.17.2-erlang-27.0.1-debian-bookworm-20240701-slim
+
+    runs-on: ubuntu-20.04
+    container:
+      image: hexpm/elixir:${{ matrix.image }}
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+
+    - name: Hex and Rebar setup
+      run: |
+        mix local.hex --force
+        mix local.rebar --force
+
+    - name: Restore deps and _build cache
+      uses: actions/cache@v2
+      with:
+        path: |
+          deps
+          _build
+        key: deps-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-${{ hashFiles('**/mix.lock') }}
+        restore-keys: |
+          deps-${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}
+    - name: Install dependencies
+      run: mix deps.get --only test
+
+    - name: Run tests
+      run: |
+        epmd -daemon
+        mix test
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 2d2e253b..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-language: elixir
-elixir: 1.6.6
-otp_release: 21.3
-matrix:
-  include:
-    - elixir: 1.8.2
-      otp_release: 21.3
-sudo: false
-before_script:
-  - epmd -daemon
-  - mix deps.get --only test
-script:
-  - mix test
diff --git a/README.md b/README.md
index fde300f6..1a297495 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 > Distributed PubSub and Presence platform for the Phoenix Framework
 
-[![Build Status](https://api.travis-ci.org/phoenixframework/phoenix_pubsub.svg)](https://travis-ci.org/phoenixframework/phoenix_pubsub)
+[![Build Status](https://github.com/phoenixframework/phoenix_pubsub/workflows/CI/badge.svg)](https://github.com/phoenixframework/phoenix_pubsub/actions?query=workflow%3A%22CI%22)
 
 ## Usage
 
diff --git a/test/phoenix/tracker/clock_test.exs b/test/phoenix/tracker/clock_test.exs
index 98e761ba..2125352f 100644
--- a/test/phoenix/tracker/clock_test.exs
+++ b/test/phoenix/tracker/clock_test.exs
@@ -53,6 +53,6 @@ defmodule Phoenix.TrackerClockTest do
   test "replicas" do
     assert Clock.replicas(%{}) == []
     assert Clock.replicas(%{a: 1}) == [:a]
-    assert Clock.replicas(%{a: 1, b: 2}) == [:a, :b]
+    assert Clock.replicas(%{a: 1, b: 2}) |> Enum.sort() == [:a, :b]
   end
 end