diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0428dac0e..3c820c440 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,9 +56,11 @@ jobs:
         run: df -h
       - name: Upgrade packages already installed on icecube/icetray
         run: |
+          pip show numpy
           pip install --upgrade astropy   # Installed version incompatible with numpy 1.23.0 [https://github.com/astropy/astropy/issues/12534]
           pip install --ignore-installed PyYAML  # Distutils installed [https://github.com/pypa/pip/issues/5247]
           pip install --upgrade psutil # Original version from IceTray Environment incompatible
+          pip show numpy
       - name: Install package
         uses: ./.github/actions/install
         with: