diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 55ee48620..f79119ebe 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -346,4 +346,100 @@ jobs:
 
       - name: Run integration tests
         run: |
-          cd test_suites && python integration_test.py
\ No newline at end of file
+          cd test_suites && python integration_test.py
+
+  integration_tests-last-two-releases:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          submodules: true
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.8'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+
+      - name: Get latest lib3mf SDK release info from GitHub API
+        id: get_latest_release
+        run: |
+          LATEST_LIB3MF_URL=$(curl -s https://api.github.com/repos/3MFConsortium/lib3mf/releases/latest | grep "browser_download_url.*zip" | cut -d '"' -f 4)
+          echo "LATEST_LIB3MF_URL=${LATEST_LIB3MF_URL}" >> $GITHUB_ENV
+
+      - name: Get second latest lib3mf SDK release info from GitHub API
+        id: get_second_latest_release
+        run: |
+          SECOND_LATEST_LIB3MF_URL=$(curl -s https://api.github.com/repos/3MFConsortium/lib3mf/releases | grep "browser_download_url.*zip" | cut -d '"' -f 4 | sed -n '2p')
+          echo "SECOND_LATEST_LIB3MF_URL=${SECOND_LATEST_LIB3MF_URL}" >> $GITHUB_ENV
+
+      - name: Download latest lib3mf SDK zip
+        run: |
+          wget ${{ env.LATEST_LIB3MF_URL }} -O latest_lib3mf_sdk.zip
+
+      - name: Download second latest lib3mf SDK zip
+        run: |
+          wget ${{ env.SECOND_LATEST_LIB3MF_URL }} -O second_latest_lib3mf_sdk.zip
+
+      - name: Unpack the latest SDK
+        run: |
+          unzip latest_lib3mf_sdk.zip -d latest_lib3mf_sdk
+
+      - name: Unpack the second latest SDK
+        run: |
+          unzip second_latest_lib3mf_sdk.zip -d second_latest_lib3mf_sdk
+
+      - name: Download and unzip test suite
+        run: |
+          wget https://github.com/3MFConsortium/test_suites/releases/download/v2.0.0/3MF_Conformance_Test_Suites_v2.0.0.zip
+          unzip 3MF_Conformance_Test_Suites_v2.0.0.zip -d test_suites
+
+      - name: Copy integration test script
+        run: |
+          cp CI/integration_test.py test_suites/
+
+      - name: Build and run CppDynamic with latest SDK
+        run: |
+          sh latest_lib3mf_sdk/Examples/CppDynamic/GenerateMake.sh
+          cd latest_lib3mf_sdk/Examples/CppDynamic/build
+          cmake --build .
+          cp * ../../../test_suites/
+          cp *.so ../../../test_suites/ || true
+
+      - name: Run integration tests with latest SDK
+        run: |
+          cd test_suites
+          /usr/bin/time -v python integration_test.py 2>&1 | tee latest_sdk_test.log
+
+      - name: Clean up latest SDK binaries
+        run: |
+          find test_suites -maxdepth 1 ! -name 'integration_test.py' ! -name '3MF_Conformance_Test_Suites_v2.0.0' ! -name 'latest_sdk_test.log' -exec rm -rf {} +
+
+      - name: Build and run CppDynamic with second latest SDK
+        run: |
+          sh second_latest_lib3mf_sdk/Examples/CppDynamic/GenerateMake.sh
+          cd second_latest_lib3mf_sdk/Examples/CppDynamic/build
+          cmake --build .
+          cp * ../../../test_suites/
+          cp *.so ../../../test_suites/ || true
+
+      - name: Run integration tests with second latest SDK
+        run: |
+          cd test_suites
+          /usr/bin/time -v python integration_test.py 2>&1 | tee second_latest_sdk_test.log
+
+      - name: Compare results
+        run: |
+          LATEST_TIME=$(grep "Elapsed (wall clock) time" test_suites/latest_sdk_test.log | awk '{print $8}')
+          SECOND_LATEST_TIME=$(grep "Elapsed (wall clock) time" test_suites/second_latest_sdk_test.log | awk '{print $8}')
+          echo "Latest SDK execution time: ${LATEST_TIME}"
+          echo "Second Latest SDK execution time: ${SECOND_LATEST_TIME}"
+          if [ $(echo "$LATEST_TIME < $SECOND_LATEST_TIME" | bc) -eq 1 ]; then
+            echo "New release is better"
+          else
+            echo "New release is worse"
+          fi
\ No newline at end of file