diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
new file mode 100644
index 0000000..f1bf2f0
--- /dev/null
+++ b/.github/workflows/main-ci.yml
@@ -0,0 +1,29 @@
+name: build
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        rust: [stable]
+
+    steps:
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Build and test
+        run: |
+          cargo build --verbose
+          cargo test --verbose
diff --git a/.github/workflows/pr-ci.yml b/.github/workflows/pr-ci.yml
new file mode 100644
index 0000000..9d12c5f
--- /dev/null
+++ b/.github/workflows/pr-ci.yml
@@ -0,0 +1,26 @@
+name: pr
+
+on: pull_request
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+        rust: [stable]
+
+    steps:
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Build and test
+        run: |
+          cargo build --verbose
+          cargo test --verbose