diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
new file mode 100644
index 0000000..232b632
--- /dev/null
+++ b/.github/workflows/swift.yml
@@ -0,0 +1,15 @@
+name: Swift
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: macOS-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: swift build -v
+    - name: Run Tests
+      run: swift test -v
diff --git a/.gitignore b/.gitignore
index a500584..692f4c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@ Complex.xcodeproj/xcuserdata
 .swiftpm
 Carthage
 gyb.pyc
+.build
+Package.resolved
diff --git a/Package.swift b/Package.swift
index cc91c6d..96e3b8c 100644
--- a/Package.swift
+++ b/Package.swift
@@ -15,10 +15,14 @@ let package = Package(
         .library(name: "Complex", type: .dynamic, targets: ["Complex"])
     ],
 
+    dependencies: [
+        .package(url: "https://github.com/SomeRandomiOSDev/Half", from: "1.0.1")
+    ],
+
     targets: [
         .target(name: "Complex"),
-        .testTarget(name: "ComplexTests", dependencies: ["Complex"])
+        .testTarget(name: "ComplexTests", dependencies: ["Complex", "Half"])
     ],
 
-    swiftLanguageVersions: [.version("4.0"), .version("4.2"), .version("5.0")]
+    swiftLanguageVersions: [.version("4"), .version("4.2"), .version("5")]
 )