diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0e41138..c73cab1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -58,7 +58,7 @@ jobs:
 
     - name: Install python dependencies
       run: |
-        mamba install --quiet --file conda-requirements.txt corner coveralls 
+        mamba install --quiet --file conda-requirements.txt corner coveralls numpy
         pip install git+https://github.com/JohannesBuchner/coverage-lcov
         #sed --in-place -e 's,"report_include",,g' -e 's,"report_omit",,g' /usr/share/miniconda/envs/*/lib/python*/site-packages/coverage_lcov/converter.py
         conda list