diff --git a/.github/workflows/swift.yml b/.github/workflows/swift.yml
index 076c963..494e8e4 100644
--- a/.github/workflows/swift.yml
+++ b/.github/workflows/swift.yml
@@ -13,29 +13,28 @@ jobs:
       fail-fast: false
       matrix:
         image:
-          - swift:5.2.5-xenial
-          - swift:5.3.2-xenial
-          - swift:5.3.2-bionic
-          - swift:5.5.0-focal
+          - swift:5.5.3-xenial
+          - swift:5.6.1-bionic
+          - swift:5.7.2-focal
     container: ${{ matrix.image }}
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Build Swift Debug Package
         run: swift build -c debug
       - name: Build Swift Release Package
         run: swift build -c release
       - name: Run Tests
-        run: swift test
+        run: swift test --enable-test-discovery
   nextstep:
     runs-on: macos-latest
     steps:
       - name: Select latest available Xcode
-        uses: maxim-lobanov/setup-xcode@v1.2.1
+        uses: maxim-lobanov/setup-xcode@v1.5.1
         with:
-          xcode-version: 13
+          xcode-version: 13.2.1
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Build Swift Debug Package
         run: swift build -c debug
       - name: Build Swift Release Package
diff --git a/.gitignore b/.gitignore
index daa3f7d..2f2c940 100644
--- a/.gitignore
+++ b/.gitignore
@@ -94,4 +94,5 @@ Package.resolved
 xcuserdata
 .docker.build
 .swiftpm
+.vscode
 
diff --git a/Package.swift b/Package.swift
index 56c3720..91dce8f 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.5
 
 import PackageDescription
 
@@ -16,9 +16,9 @@ let package = Package(
   
   dependencies: [
     .package(url: "https://github.com/Macro-swift/Macro.git",
-             from: "0.8.11"),
+             from: "1.0.0"),
     .package(url: "https://github.com/Macro-swift/MacroExpress.git",
-             from: "0.8.8")
+             from: "1.0.0")
   ],
   
   targets: [
diff --git a/Tests/LinuxMain.swift b/Tests/LinuxMain.swift
index 9e94db8..cd27ba6 100644
--- a/Tests/LinuxMain.swift
+++ b/Tests/LinuxMain.swift
@@ -1,6 +1,3 @@
 import XCTest
-import MacroAppTests
 
-var tests = [ XCTestCaseEntry ]()
-tests += MacroAppTests.allTests()
-XCTMain(tests)
+#error("Swift 5.5 requires --enable-test-discovery")