diff --git a/.github/workflows/CI.yml b/.github/workflows/CI-linux.yml
similarity index 84%
rename from .github/workflows/CI.yml
rename to .github/workflows/CI-linux.yml
index 4d19d84..3412322 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI-linux.yml
@@ -9,12 +9,7 @@ jobs:
     strategy:
       matrix:
         lisp: [sbcl, ccl, ecl]
-        os: [ubuntu-22.04, macos-14]
-        exclude:
-          - lisp: ccl
-            os: macos-14
-          - lisp: ecl
-            os: macos-14
+        os: [ubuntu-22.04]
     runs-on: ${{ matrix.os }}
     timeout-minutes: 8
 
@@ -50,12 +45,15 @@ jobs:
     - name: Install python modules
       run: | # need to use sudo
         sudo apt install python3-pip
+        python3 -m venv ./py4cl2-cffi/
+        source ./py4cl2-cffi/bin/activate
         pip3 install numpy
         pip3 install networkx
         pip3 install matplotlib
 
     - name: Run python-config
       run: |
+        source ./py4cl2-cffi/bin/activate
         python3 --version
         python3-config --libs
         python3-config --includes
@@ -64,6 +62,7 @@ jobs:
 
     - name: Download download-dependencies
       run: |
+        source ./py4cl2-cffi/bin/activate
         git clone https://github.com/digikar99/download-dependencies $HOME/quicklisp/local-projects/download-dependencies
 
 
@@ -100,9 +99,13 @@ jobs:
         /"$EXOTIC_DIR_PYTHON" --version
 
     - name: Compile Tests
-      run: cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-pre-test.lisp"
+      run: |
+        source ./py4cl2-cffi/bin/activate
+        cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-pre-test.lisp"
 
     # Testing it on the second load confirms that functionalities do not
     # solely eval-when compile-toplevel, and that they persist across multiple loads.
     - name: Run Tests
-      run: cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp" || cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp"
+      run: |
+        source ./py4cl2-cffi/bin/activate
+        cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp" || cl --load "$EXOTIC_DIR/$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp"
diff --git a/.github/workflows/CI-macos.yml b/.github/workflows/CI-macos.yml
new file mode 100644
index 0000000..0d198ac
--- /dev/null
+++ b/.github/workflows/CI-macos.yml
@@ -0,0 +1,97 @@
+on: [push, pull_request]
+
+jobs:
+
+  test:
+
+    name: ${{ matrix.lisp }}, ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        lisp: [sbcl]
+        os: [macos-13, macos-14]
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 3
+
+    continue-on-error: true
+
+    steps:
+
+    - uses: actions/checkout@v2
+
+    - name: Update $PATH
+      run: |
+        echo $PATH
+        echo "PATH=$HOME/bin:$PATH" >> $GITHUB_ENV
+    - name: Check $PATH
+      run: echo $PATH
+
+    - name: Download implementation
+      env:
+        LISP: ${{ matrix.lisp }}
+        OS: ${{ matrix.os }}
+      run: |
+        pwd
+        ls -l
+        bash <(curl -s https://raw.githubusercontent.com/digikar99/lisp-travis-lite/master/run.sh)
+
+    - name: Test without numpy
+      run: |
+        ls
+        cl --eval '(push #P"./" ql:*local-project-directories*)' --eval '(ql:quickload "py4cl2-cffi")' --eval '(assert (= 5 (py4cl2-cffi:pyeval 5)))' --eval '(print py4cl2-cffi:*internal-features*)'
+
+    # We avoid caching the apt and python modules; need to deal with recursive dependencies
+
+    - name: Install python modules
+      run: |
+        brew install python@3.12
+        python -m ensurepip --upgrade
+        python3 -m venv ./py4cl2-cffi/
+        source ./py4cl2-cffi/bin/activate
+        pip3 install numpy
+        pip3 install networkx
+        pip3 install matplotlib
+
+    - name: Run python-config
+      run: |
+        source ./py4cl2-cffi/bin/activate
+        python3 --version
+        python3-config --libs
+        python3-config --includes
+        python3-config --ldflags
+        find '/usr/lib' -name "libpython*.so"
+
+    - name: Download download-dependencies
+      run: |
+        git clone https://github.com/digikar99/download-dependencies $HOME/quicklisp/local-projects/download-dependencies
+
+
+    - name: Download Tests
+      run: |
+        git clone https://github.com/digikar99/py4cl2-cffi-tests ./tests
+        pwd
+        ls -l
+
+    - name: Download Test Dependencies
+      run: >
+        cl --eval '(ql:quickload "download-dependencies")' \
+           --eval '(in-package :download-dependencies)' \
+           --eval '(push #P"./" ql:*local-project-directories*)' \
+           --eval '(let ((*dependencies-home* (first ql:*local-project-directories*))) (ensure-system "py4cl2-cffi-tests"))'
+
+    - name: Test numpy
+      run: |
+        source ./py4cl2-cffi/bin/activate
+        python3 -c 'import numpy; print(numpy.__version__, numpy.__path__[0])'
+
+    - name: Compile Tests
+      run: |
+        source ./py4cl2-cffi/bin/activate
+        cl --load "$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-pre-test.lisp"
+
+    # Testing it on the second load confirms that functionalities do not
+    # solely eval-when compile-toplevel, and that they persist across multiple loads.
+    - name: Run Tests
+      run: |        
+        source ./py4cl2-cffi/bin/activate
+        cl --load "$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp" || cl --load "$HOME/work/py4cl2-cffi/py4cl2-cffi/ci-test.lisp"
diff --git a/ci-pre-test.lisp b/ci-pre-test.lisp
index 49029f6..00a947d 100644
--- a/ci-pre-test.lisp
+++ b/ci-pre-test.lisp
@@ -3,7 +3,7 @@
 ;;                       :replace t
 ;;                       :prompt nil)
 (push :travis *features*)
-(push #P"~/" ql:*local-project-directories*)
+(push #P"./" ql:*local-project-directories*)
 (print (ql:where-is-system "py4cl2-cffi"))
 (ql:quickload "py4cl2-cffi-tests")
 (uiop:quit 0)
diff --git a/ci-test.lisp b/ci-test.lisp
index 2dd2003..53c6aa6 100644
--- a/ci-test.lisp
+++ b/ci-test.lisp
@@ -1,8 +1,9 @@
 (in-package :cl-user)
-(push :travis *features*)
-(push (print (pathname (uiop:getenv "EXOTIC_DIR")))
-      ql:*local-project-directories*)
-(push #P"~/" ql:*local-project-directories*)
+(push :ci *features*)
+(when (eq :linux (uiop:operating-system))
+  (push (print (pathname (uiop:getenv "EXOTIC_DIR")))
+        ql:*local-project-directories*))
+(push #P"./" ql:*local-project-directories*)
 (ql:quickload "py4cl2-cffi-tests")
 (py4cl2-cffi/config:print-configuration)
 (let ((report (py4cl2-cffi-tests:run)))