diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index 9fb89c4..5eb96b4 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        platform: [macos-latest]
+        platform: [macos-latest, ubuntu-latest]
     runs-on: ${{ matrix.platform }}
 
     steps:
diff --git a/README.md b/README.md
index 69ca042..a73bc54 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-![Supported Platforms](https://img.shields.io/static/v1?label=Supported%20Platforms&message=iOS%20|%20macOS%20|%20tvOS%20|%20watchOS&color=red&style=flat&logo=swift&labelColor=white) ![Swift Versions](https://img.shields.io/static/v1?label=Swift&message=5.5&color=red&style=flat&logo=swift&labelColor=white)
+![Supported Platforms](https://img.shields.io/static/v1?label=Supported%20Platforms&message=iOS%20|%20macOS%20|%20tvOS%20|%20watchOS%20|%20linux&color=red&style=flat&logo=swift&labelColor=white) ![Swift Versions](https://img.shields.io/static/v1?label=Swift&message=5.5&color=red&style=flat&logo=swift&labelColor=white)
 
 # AsyncValue
 
diff --git a/Tests/AsyncValueTests/AsyncValueTests.swift b/Tests/AsyncValueTests/AsyncValueTests.swift
index 6c8f991..8a89781 100644
--- a/Tests/AsyncValueTests/AsyncValueTests.swift
+++ b/Tests/AsyncValueTests/AsyncValueTests.swift
@@ -1,17 +1,15 @@
-import Combine
 import XCTest
 @testable import AsyncValue
 
 final class AsyncValueTests: XCTestCase {
     var sut: AsyncValue<String>?
-    var cancellable: AnyCancellable?
-    
+
     override func tearDown() {
         super.tearDown()
         sut = nil
-        cancellable = nil
     }
     
+    
     func test_allValues() async throws {
         sut = .init(wrappedValue: "Test")
         
@@ -61,7 +59,21 @@ final class AsyncValueTests: XCTestCase {
         
         await testTask.value
     }
-    
+}
+
+#if canImport(Combine) && canImport(SwiftUI)
+import Combine
+import SwiftUI
+
+extension AsyncValueTests {
+    fileprivate class TestObservableObject: ObservableObject {
+        var cancellable: AnyCancellable?
+        
+        @AsyncValue var myValue = "Test" {
+            willSet { objectWillChange.send() }
+        }
+    }
+
     func test_observableObjectPublisher() {
         let sut = TestObservableObject()
         
@@ -69,7 +81,7 @@ final class AsyncValueTests: XCTestCase {
         
         var updateCount: Int = 0
         
-        cancellable = sut.objectWillChange.sink {
+        sut.cancellable = sut.objectWillChange.sink {
             updateCount += 1
         }
         
@@ -86,9 +98,4 @@ final class AsyncValueTests: XCTestCase {
         XCTAssertEqual(updateCount, 2)
     }
 }
-
-fileprivate class TestObservableObject: ObservableObject {
-    @AsyncValue var myValue = "Test" {
-        willSet { objectWillChange.send() }
-    }
-}
+#endif