diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index b3eb48a0..1190a37c 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -20,16 +20,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest, ubuntu-18.04]
+        os: [ubuntu-latest]
         compiler: [gcc, clang] 
       fail-fast: false
 
     steps:
       - name: Install extra libraries
         run: |
-          if [ ${{ matrix.os }} == ubuntu-18.04 ] && [ ${{ matrix.compiler }} == gcc ]
+          sudo apt-get update -y
+          sudo apt-get install -y libtbb-dev libtbb2
+          if [ ${{ matrix.compiler }} == gcc ]
           then
-            sudo apt-get update -y
             sudo apt-get install -y lcov
           fi
       - name: Set my secrets
@@ -43,42 +44,47 @@ jobs:
       - name: Checkout DSPThirdPartyLibs
         run: |
           mkdir -p ~/.ssh
-          ssh-keyscan xgitlab.cels.anl.gov >> ~/.ssh/known_hosts
-          git clone git@xgitlab.cels.anl.gov:kimk/DSPThirdPartyLibs.git
-      - name: Run cmake, build, and test
+          ssh-keyscan git.cels.anl.gov >> ~/.ssh/known_hosts
+          git clone git@git.cels.anl.gov:kimk/DSPThirdPartyLibs.git
+      - name: Run cmake and build
         env:
-          MYOS: ${{ matrix.os }}
           CC: ${{ matrix.compiler }}
-          FC: gfortran-9
+          FC: gfortran-12
         run: |
           cd DSPThirdPartyLibs
           ./github.sh
-          if [ ${{ matrix.os }} == ubuntu-18.04 ]
-          then
-            export LD_LIBRARY_PATH=$PWD/lib:$(dirname `$FC --print-file-name libgfortran.so`):$LD_LIBRARY_PATH
-            echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> $GITHUB_ENV
-          fi
-          if [ ${{ matrix.os }} == macos-latest ]
-          then
-            export DYLD_LIBRARY_PATH=$PWD/lib:$(dirname `$FC --print-file-name libgfortran.dylib`):$DYLD_LIBRARY_PATH
-            echo "DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
-          fi
+
+          export MA27LIB_DIR=$PWD/ma27/build/lib
+          export SCIPOPT_INC_DIR=$PWD/include
+          export SCIPOPT_LIB_DIR=$PWD/lib
+          export CPLEX_INC_DIR=$PWD/cplex/ilcplex
+          export CPLEX_LIB_DIR=$PWD/cplex/lib
+
+          echo "Checking the environment variables:"
+          echo $MA27LIB_DIR
+          echo $SCIPOPT_INC_DIR
+          echo $SCIPOPT_LIB_DIR
+          echo $CPLEX_INC_DIR
+          echo $CPLEX_LIB_DIR
+
+          export LD_LIBRARY_PATH=$SCIPOPT_LIB_DIR:$(dirname `$FC --print-file-name libgfortran.so`):$LD_LIBRARY_PATH
+          echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> $GITHUB_ENV
+
           cd ..
           mkdir build
           cd build
           if [ ${{ matrix.compiler }} == gcc ]; then export CXX=g++; fi
           if [ ${{ matrix.compiler }} == clang ]; then export CXX=clang++; fi
-          cmake .. -DUNIT_TESTING=ON -DCODE_COVERAGE=ON -DCMAKE_BUILD_TYPE=DEBUG
+
+          cmake .. -DUNIT_TESTING=OFF -DCODE_COVERAGE=ON -DCMAKE_BUILD_TYPE=DEBUG
           make -j
           make install
       - name: Run test
         run: |
-          if [ ${{ matrix.os }} == ubuntu-18.04 ]; then export LD_LIBRARY_PATH=${{ env.LD_LIBRARY_PATH }}; fi
-          if [ ${{ matrix.os }} == macos-latest ]; then export DYLD_LIBRARY_PATH=${{ env.DYLD_LIBRARY_PATH }}; fi
+          export LD_LIBRARY_PATH=${{ env.LD_LIBRARY_PATH }}
           cd build
-          ./src/test/UnitTests
           ctest
-          if [ ${{ matrix.os }} == ubuntu-18.04 ] && [ ${{ matrix.compiler }} == gcc ]
+          if [ ${{ matrix.compiler }} == gcc ]
           then
             lcov --capture --directory . --output-file coverage.info
             lcov --remove coverage.info '/usr/*' --output-file coverage.info