diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 01ed42c..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,74 +0,0 @@
-version: 2.1
-
-executors:
-  default:
-    docker:
-      - image: cimg/rust:1.70
-    resource_class: small
-  gpu:
-    machine:
-      image: linux-cuda-12:2023.05.1
-    resource_class: gpu.nvidia.small
-
-jobs:
-  test:
-    executor: gpu
-    steps:
-      - checkout
-      - run:
-          name: Install OpenCL
-          command: |
-            sudo apt update
-            sudo apt install ocl-icd-opencl-dev --no-install-recommends --yes
-      - run:
-          name: Install Rust
-          command: curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $(cat rust-toolchain) --profile minimal -y
-      - run:
-          name: Run tests
-          command: cargo test
-      - run:
-          name: Run `add` example
-          command: cargo run --example add
-
-  rustfmt:
-    executor: default
-    steps:
-      - checkout
-      - run:
-          name: Run cargo fmt
-          command: cargo fmt --all -- --check
-
-  clippy:
-    executor: default
-    steps:
-      - checkout
-      - run:
-          name: Run cargo clippy
-          command: cargo clippy --all-features --all-targets -- -D warnings
-
-  build:
-    executor: default
-    steps:
-      - checkout
-      - run:
-          name: Run cargo release build
-          command: cargo build --release
-
-  rustdoc:
-    executor: default
-    steps:
-      - checkout
-      - run:
-          name: Run rustdoc
-          command: cargo rustdoc --all-features -- -D warnings
-
-workflows:
-  version: 2.1
-
-  test:
-    jobs:
-      - rustfmt
-      - clippy
-      - test
-      - build
-      - rustdoc
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..d5fd8ea
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,62 @@
+name: CI
+
+on: [pull_request, push]
+
+# Cancel a job if there's a new on on the same branch started.
+# Based on https://stackoverflow.com/questions/58895283/stop-already-running-workflow-job-in-github-actions/67223051#67223051
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  CARGO_INCREMENTAL: 0
+  RUST_BACKTRACE: 1
+  # Faster crates.io index checkout.
+  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
+  RUST_LOG: debug
+
+jobs:
+  check_clippy:
+    runs-on: ubuntu-24.04
+    name: Clippy
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run cargo clippy
+        run: cargo clippy --all-targets --workspace --all-features -- -D warnings
+
+  check_fmt:
+    runs-on: ubuntu-24.04
+    name: Checking fmt
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run cargo fmt
+        run: cargo fmt --all -- --check
+
+  rustdoc:
+    runs-on: ubuntu-24.04
+    name: Rustdoc
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run rustdoc
+        run: cargo rustdoc --all-features -- -D warnings
+
+  build:
+    runs-on: ubuntu-24.04
+    name: Release build
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run cargo release build
+        run: cargo build --release
+
+  # Enable these tests once there's a runner with a GPU.
+  #test_gpu:
+  #  runs-on: ubuntu-24.04
+  #  name: Test
+  #  steps:
+  #    - uses: actions/checkout@v4
+  #    - name: Install required packages
+  #      run: sudo apt install --no-install-recommends --yes libhwloc-dev nvidia-cuda-toolkit ocl-icd-opencl-dev
+  #    - name: Run tests
+  #      run: cargo test
+  #    - name: Run `add` example
+  #      run: cargo run --example add