diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b3992b7dc..0f2418e9c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -8,9 +8,10 @@ jobs:
     name: Build and Test
     strategy:
       matrix:
-        os: [macos-10.15, macos-11, ubuntu-18.04, ubuntu-20.04]
+        os: [macos-10.15, macos-11, macos-12, ubuntu-18.04, ubuntu-20.04]
         toolchain:
           - wasm-5.5.0-RELEASE
+          - wasm-5.6.0-RELEASE
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
@@ -29,9 +30,18 @@ jobs:
   native-build:
     # Check native build to make it easy to develop applications by Xcode
     name: Build for native target
-    runs-on: macos-11
+    strategy:
+      matrix:
+        include:
+          - os: macos-10.15
+            xcode: Xcode_12.4
+          - os: macos-11
+            xcode: Xcode_13.2.1
+          - os: macos-12
+            xcode: Xcode_13.3
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - run: swift build
         env:
-          DEVELOPER_DIR: /Applications/Xcode_13.2.1.app/Contents/Developer/
+          DEVELOPER_DIR: /Applications/${{ matrix.xcode }}.app/Contents/Developer/
diff --git a/IntegrationTests/Makefile b/IntegrationTests/Makefile
index 6e1a4dd05..575a8f20d 100644
--- a/IntegrationTests/Makefile
+++ b/IntegrationTests/Makefile
@@ -7,6 +7,7 @@ TestSuites/.build/$(CONFIGURATION)/%.wasm: FORCE
 	            --product $(basename $(notdir $@)) \
 	            --triple wasm32-unknown-wasi \
 	            --configuration $(CONFIGURATION) \
+	            -Xswiftc -Xclang-linker -Xswiftc -mexec-model=reactor \
 		    $(SWIFT_BUILD_FLAGS)
 
 dist/%.wasm: TestSuites/.build/$(CONFIGURATION)/%.wasm