diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 5877198b..0da1d132 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -38,7 +38,7 @@ jobs:
           args: -i python --release --out dist --sdist --manifest-path cramjam-python/Cargo.toml
       - name: Install built wheels - x86_64
         run: |
-          pip install cramjam --no-index --find-links dist --force-reinstall
+          pip install cramjam[dev] --pre --no-index --find-links dist --force-reinstall
           pip install cramjam-cli --no-index --find-links dist --force-reinstall
       - name: Build wheels - universal2
         if: ${{ matrix.python-version >= '3.8' || contains(fromJson('["3.10", "3.11", "3.12"]'), matrix.python-version) }}
@@ -55,15 +55,12 @@ jobs:
       - name: Install built wheels - universal2
         if: ${{ matrix.python-version >= '3.8' || contains(fromJson('["3.10", "3.11", "3.12"]'), matrix.python-version) }}
         run: |
-          pip install cramjam --no-index --find-links dist --force-reinstall
+          pip install cramjam[dev] --pre --no-index --find-links dist --force-reinstall
           pip install cramjam-cli --no-index --find-links dist --force-reinstall
       - name: Python UnitTest - cramjam-cli
-        run: |
-          pip install pytest numpy hypothesis
-          python -m pytest cramjam-cli -vs --ignore **/benchmarks
+        run: python -m pytest cramjam-cli -vs --ignore **/benchmarks
       - name: Python UnitTest - cramjam-python
-        run: |
-          python -m pytest cramjam-python -vs --ignore **/benchmarks
+        run: python -m pytest cramjam-python -vs --ignore **/benchmarks
       - name: Upload wheels
         uses: actions/upload-artifact@v3
         with:
@@ -102,7 +99,7 @@ jobs:
       - name: Install built wheel
         run: |
           pip install cramjam-cli --no-index --find-links dist --force-reinstall
-          pip install cramjam[dev] --find-links dist --force-reinstall
+          pip install cramjam[dev] --pre --find-links dist --force-reinstall
       - name: Python UnitTest - cramjam-python
         run: |
           python -m pytest cramjam-python -vs --ignore cramjam-python\benchmarks
@@ -149,7 +146,7 @@ jobs:
     - name: Python UnitTest - cramjam-python
       if: matrix.target == 'x86_64'
       run: |
-        pip install cramjam[dev] --find-links dist --force-reinstall
+        pip install cramjam[dev] --pre --find-links dist --force-reinstall
         python -m pytest cramjam-python -vs --ignore **/benchmarks
     - name: Python UnitTest - cramjam-cli
       if: matrix.target == 'x86_64'
@@ -264,9 +261,8 @@ jobs:
       # TODO: I'm not sure but the actual collection of tests on windows using pypy3.10 takes forever and/or fails
       if: ${{ matrix.python != 'pypy-3.10' && matrix.platform.os != 'windows-latest' }}
       run: |
-        pip install cramjam[dev] --find-links dist --force-reinstall
-        cd cramjam-python
-        python -m pytest tests -v
+        pip install cramjam[dev] --pre --find-links dist --force-reinstall
+        python -m pytest cramjam-python -vs --ignore **/benchmarks
     - name: cramjam-cli test
       if: ${{ matrix.platform.os != 'windows-latest' }}
       run: |