diff --git a/.github/workflows/macos.yaml b/.github/workflows/macos.yaml
index 2a793ee..373d77a 100644
--- a/.github/workflows/macos.yaml
+++ b/.github/workflows/macos.yaml
@@ -14,7 +14,7 @@ jobs:
         os: [macOS]
         python-version: ['3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -30,6 +30,11 @@ jobs:
         pip install -e .
         bash -x admin-tools/make-JSON-tables.sh
         cd ..
+        git clone --depth 1 https://github.com/Mathics3/mathics-core.git
+        cd mathics-core/
+        pip install -e .
+        bash -x admin-tools/make-JSON-tables.sh
+        cd ..
     - name: Install mathicsscript
       run: |
         make
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index bd31c6e..49ca1cf 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         python-version: ['3.13', '3.10', '3.11', '3.12']
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -29,6 +29,11 @@ jobs:
         pip install -e .
         bash -x admin-tools/make-JSON-tables.sh
         cd ..
+        git clone --depth 1 https://github.com/Mathics3/mathics-core.git
+        cd mathics-core/
+        pip install -e .
+        bash -x admin-tools/make-JSON-tables.sh
+        cd ..
     - name: Install mathicsscript
       run: |
         make
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 2a7ae21..b15ad48 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -14,7 +14,7 @@ jobs:
         os: [windows]
         python-version: ['3.11', '3.13']
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
@@ -32,6 +32,11 @@ jobs:
         pip install -e .
         bash -x admin-tools/make-JSON-tables.sh
         cd ..
+        git clone --depth 1 https://github.com/Mathics3/mathics-core.git
+        cd mathics-core/
+        pip install -e .
+        bash -x admin-tools/make-JSON-tables.sh
+        cd ..
     - name: Install mathicsscript
       run: |
         make