diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
new file mode 100644
index 000000000..f3b7e223a
--- /dev/null
+++ b/.github/workflows/cmake.yml
@@ -0,0 +1,26 @@
+name: CMake
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  linux-build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4.1.1
+
+    - name: CMake workflow
+      run: cmake --workflow --preset default
+
+  windows-build:
+    runs-on: windows-latest
+    
+    steps:
+    - uses: actions/checkout@v4.1.1
+
+    - name: CMake workflow
+      run: cmake --workflow --preset default
diff --git a/ReadMe.md b/ReadMe.md
index 73c8d01a6..c68b35350 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -1,5 +1,6 @@
-[![Travis Build Status](https://api.travis-ci.org/LegalizeAdulthood/iterated-dynamics.png?branch=master)](https://travis-ci.org/LegalizeAdulthood/iterated-dynamics)
-[![Appveyor Build status](https://ci.appveyor.com/api/projects/status/0k69hj9n28u0c3rj?svg=true)](https://ci.appveyor.com/project/LegalizeAdulthood/iterated-dynamics)
+[![CMake workflow](https://github.com/LegalizeAdulthood/iterated-dynamics/actions/workflows/cmake.yml/badge.svg)](https://github.com/LegalizeAdulthood/iterated-dynamics/actions/workflows/cmake.yml)
+
+# Iterated Dynamics
 
 Iterated Dynamics is an open source fractal renderer that can generate
 the following fractal types:
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 265f9b478..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-# Copyright (C) 2015, Richard Thomson
-#
-
-image: Visual Studio 2017
-
-environment:
-  GENERATOR: "Visual Studio 15 2017"
-
-  matrix:
-    - CONFIG: Debug
-
-    - CONFIG: Release
-
-build_script:
-  - mkdir build
-  - cd build
-  - cmake -G "%GENERATOR%" ..
-  - cmake --build . --config %CONFIG%