diff --git a/.github/workflows/testcext.yml b/.github/workflows/testcext.yml
index 8472186fc..37934f7ba 100644
--- a/.github/workflows/testcext.yml
+++ b/.github/workflows/testcext.yml
@@ -23,7 +23,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install pytest pyparsing geomdl cython
+        python -m pip install pytest pyparsing fonttools numpy
     - name: Install with C-extensions
       run: |
         python setup.py install
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 1898b3e6f..3a26c8e61 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -24,7 +24,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         # Excluding Cython to test the pure Python version.
-        python -m pip install pytest pyparsing geomdl
+        python -m pip install pytest pyparsing fonttools numpy
     - name: Install without C-extensions
       run: |
         python setup.py install