diff --git a/.github/workflows/testing-and-coverage.yml b/.github/workflows/testing-and-coverage.yml
index 67c09f4..124216c 100644
--- a/.github/workflows/testing-and-coverage.yml
+++ b/.github/workflows/testing-and-coverage.yml
@@ -27,9 +27,9 @@ jobs:
       run: |
         sudo apt-get update
         python -m pip install --upgrade pip
-        sudo apt install libbz2-dev
-        conda install -c conda-forge somoclu
-        pip install wheel
+        sudo apt-get install -y libbz2-dev build-essential
+        python -m pip install cython wheel
+        python -m pip install --no-build-isolation somoclu
         pip install .
         pip install .[dev]
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi