diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index e499942..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,32 +0,0 @@
-version: 2
-
-jobs:
-  build:
-    docker:
-      - image: rust:latest
-    steps:
-      - checkout
-      - restore_cache:
-          key: pidlock-cache
-      - run:
-          name: Install clippy, rustfmt and cargo-deny
-          command: |
-            rustup component add clippy
-            rustup component add rustfmt
-            cargo install cargo-deny
-      - run:
-          name: test
-          command: cargo test
-      - run:
-          name: clippy
-          command: cargo clippy
-      - run:
-          name: check format
-          command: cargo fmt -- --check
-      - run:
-          name: check deny
-          command: cargo deny check
-      - save_cache:
-          key: pidlock-cache
-          paths:
-            - "~/.cargo"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..982a702
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,32 @@
+name: CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+
+jobs:
+  build:
+    name: ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}-latest
+    strategy:
+      matrix:
+        os: [Ubuntu, macOS, Windows]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install clippy, rustfmt and cargo-deny
+      run: |
+        rustup component add clippy
+        rustup component add rustfmt
+        cargo install cargo-deny
+    - name: Build
+      run: cargo build --verbose --features strict
+    - name: Run tests
+      run: cargo test --verbose
+    - name: Check lint
+      run: cargo clippy
+    - name: Check format
+      run: cargo fmt -- --check
+    - name: Run cargo deny
+      run: cargo deny check
diff --git a/Cargo.toml b/Cargo.toml
index 0f52a45..0840372 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ include = [
 ]
 
 [features]
-default = ["strict"]
+default = []
 strict = []  # Warnings are errors
 
 [dependencies]