diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..26df7a4
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "*"
+
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  mac:
+    name: MacOS 12
+    runs-on: macos-12
+    strategy:
+      matrix:
+        xcode: ["14.2"]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Select Xcode ${{ matrix.xcode }}
+        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app
+      - name: Print Swift version
+        run: swift --version
+      - name: Run test
+        run: make test-swift
+
+  linux:
+    name: Ubuntu
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run test
+        run: make test-linux
diff --git a/Makefile b/Makefile
index c0bc485..0af395f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,32 +1,18 @@
-PLATFORM_IOS = iOS Simulator,name=iPhone 11 Pro Max
-PLATFORM_MACOS = macOS
-PLATFORM_TVOS = tvOS Simulator,name=Apple TV 4K (at 1080p) (2nd generation)
+test-all: test-swift test-linux
 
-default: test-all
+test-swift:
+	swift test --parallel
 
-test-all: test-ios test-macos test-tvos
-
-test-ios:
-	xcodebuild test \
-		-scheme Realtime \
-		-destination platform="$(PLATFORM_IOS)"
-
-test-macos:
-	xcodebuild test \
-		-scheme Realtime \
-		-destination platform="$(PLATFORM_MACOS)"
-
-test-tvos:
-	xcodebuild test \
-		-scheme Realtime \
-		-destination platform="$(PLATFORM_TVOS)"
+test-linux:
+	docker run \
+		--rm \
+		-v "$(PWD):$(PWD)" \
+		-w "$(PWD)" \
+		swift:5.5 \
+		bash -c 'make test-swift'
 
 format:
-	swift format \
-		--ignore-unparsable-files \
-		--in-place \
-		--recursive \
-		./Package.swift ./Sources ./Tests
+	swift format --in-place --recursive .
 
 
-.PHONY: format test-all test-ios test-macos test-tvos
+.PHONY: test-swift test-linux format