diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..36eb25d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+  merge_group:
+
+jobs:
+  rustfmt:
+    runs-on: ubuntu-latest
+    name: cargo fmt
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: install stable toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          components: rustfmt
+
+      - name: cargo fmt
+        run: cargo fmt --all --check
+
+  test-stable:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+    name: cargo clippy + test
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+
+      - name: install stable toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          components: clippy
+
+      - name: cargo clippy (default features)
+        run: cargo clippy -- -D warnings
+
+      - name: cargo test
+        run: cargo test --all-features
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 22761ba..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1 +0,0 @@
-language: rust
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index d327978..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-environment:
-  PATH: '%PATH%;C:\Rust\bin'
-  matrix:
-  - RUST_CHANNEL: beta
-  - RUST_CHANNEL: nightly
-install:
-  - ps: Start-FileDownload "https://github.com/PistonDevelopers/binaries/raw/master/x86_64/freetype.dll"
-  - ps: Start-FileDownload "https://github.com/PistonDevelopers/binaries/raw/master/x86_64/freetype.lib"
-  - mkdir C:\\freetype-x86_64-lib
-  - move freetype.dll C:\\freetype-x86_64-lib
-  - move freetype.lib C:\\freetype-x86_64-lib
-  - ps: Start-FileDownload "https://static.rust-lang.org/dist/rust-${env:RUST_CHANNEL}-x86_64-pc-windows-msvc.msi"
-  - msiexec /passive /i "rust-%RUST_CHANNEL%-x86_64-pc-windows-msvc.msi" ADDLOCAL=Rustc,Cargo,Std INSTALLDIR=C:\Rust
-  - mkdir .cargo
-  - echo [target.x86_64-pc-windows-msvc.freetype] >> .cargo\\config
-  - echo rustc-link-search = ["C:\\freetype-x86_64-lib"] >> .cargo\\config
-  - echo rustc-link-lib = ["freetype"] >> .cargo\\config
-  - type .cargo\\config
-build_script:
-  - cargo test