diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 287fadfa4..6163c5192 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,12 +43,12 @@ jobs:
 
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           persist-credentials: false
 
       - name: Set up Python
-        uses: actions/setup-python@v4.3.0
+        uses: actions/setup-python@v4
         with:
           python-version: '3.9'
 
@@ -80,12 +80,12 @@ jobs:
 
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4.3.0
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -106,98 +106,45 @@ jobs:
         run: |
           echo "date=$(date +'%Y-%m-%dT%H_%M_%S')" >> $GITHUB_OUTPUT
 
-  build:
-    name: build packages
-
-    runs-on: ubuntu-latest
-
-    outputs:
-      is_alpha: ${{ steps.check-is-alpha.outputs.is_alpha }}
-
-    steps:
-      - name: Check out the repository
-        uses: actions/checkout@v3
-        with:
-          persist-credentials: false
-
-      - name: Set up Python
-        uses: actions/setup-python@v4.3.0
-        with:
-          python-version: '3.9'
-
-      - name: Install python dependencies
-        run: |
-          python -m pip install  --user --upgrade pip
-          python -m pip install --upgrade setuptools wheel twine check-wheel-contents
-          python -m pip --version
-
-      - name: Build distributions
-        run: ./scripts/build-dist.sh
-
-      - name: Show distributions
-        run: ls -lh dist/
-
-      - name: Check distribution descriptions
-        run: |
-          twine check dist/*
-
-      - name: Check wheel contents
-        run: |
-          check-wheel-contents dist/*.whl --ignore W007,W008
-
-      - name: Check if this is an alpha version
-        id: check-is-alpha
-        run: |
-          export is_alpha=0
-          if [[ "$(ls -lh dist/)" == *"a1"* ]]; then export is_alpha=1; fi
-          echo "is_alpha=$is_alpha" >> $GITHUB_OUTPUT
-
   test-build:
     name: verify packages / python ${{ matrix.python-version }} / ${{ matrix.os }}
-
-    if: needs.build.outputs.is_alpha == 0
-
-    needs: build
-
     runs-on: ${{ matrix.os }}
-
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-14, windows-latest]
+        os: [ubuntu-22.04, macos-14, windows-2022]
         python-version: ['3.9', '3.10', '3.11']
+        dist-type: ["whl", "gz"]
         exclude:
           # psycopg2-binary doesn't have a precompiled wheel for python 3.9 for mac
           - os: macos-14
             python-version: '3.9'
-
     steps:
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4.3.0
+      - uses: actions/checkout@v4
         with:
-          python-version: ${{ matrix.python-version }}
-
+          persist-credentials: false
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.9'
       - name: Install python dependencies
         run: |
-          python -m pip install  --user --upgrade pip
-          python -m pip install --upgrade wheel
+          python -m pip install --user --upgrade pip
+          python -m pip install --upgrade setuptools wheel twine check-wheel-contents
           python -m pip --version
-
-      - name: Show distributions
-        run: ls -lh dist/
-
-      - name: Install wheel distributions
-        run: |
-          find ./dist/*.whl -maxdepth 1 -type f | xargs python -m pip install --force-reinstall --find-links=dist/
-
-      - name: Check wheel distributions
-        run: |
-          dbt --version
-
-      - name: Install source distributions
-        run: |
-          find ./dist/*.gz -maxdepth 1 -type f | xargs python -m pip install --force-reinstall --find-links=dist/
-
-      - name: Check source distributions
+      - if: matrix.os == 'macos-14'
+        run: brew install postgresql@14
+      - run: ./scripts/build-dist.sh
+      - run: ls -lh dist/
+      - run: twine check dist/*
+      - run: check-wheel-contents dist/*.whl --ignore W007,W008
+      - id: check-is-alpha
         run: |
-          dbt --version
+          export is_alpha=0
+          if [[ "$(ls -lh dist/)" == *"a1"* ]]; then export is_alpha=1; fi
+          echo "is_alpha=$is_alpha" >> $GITHUB_OUTPUT
+      - name: Install ${{ matrix.dist-type }} distributions
+        if: ${{ steps.check-is-alpha.outputs.is_alpha == 0 }}
+        run: find ./dist/*.${{ matrix.dist-type }} -maxdepth 1 -type f | xargs python -m pip install --force-reinstall --find-links=dist/
+      - name: Check ${{ matrix.dist-type }} distributions
+        if: ${{ steps.check-is-alpha.outputs.is_alpha == 0 }}
+        run: python -c "import dbt.adapters.redshift"