diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a0b0c751..991c0201 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -21,8 +21,11 @@ jobs:
           python-version: ${{ matrix.python-version }}
           architecture: x64
 
-      - name: Display Python version
-        run: python -c "import sys; print(sys.version)"
+      - name: Display Python version numbers
+        run: |
+          python -c "import sys; print(sys.version)"
+          python -c "import numpy; print(numpy.__version__)"
+          python -c "import matplotlib; print(matplotlib.__version__)"
 
       - name: Install
         run: |