diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3c820c440..f712c684f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -56,11 +56,9 @@ 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 --upgrade --no-deps 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: