diff --git a/.github/workflows/wheel-builder.yml b/.github/workflows/wheel-builder.yml
index 924b87252ac8971c03b6283c25eddf8a13e7829e_LmdpdGh1Yi93b3JrZmxvd3Mvd2hlZWwtYnVpbGRlci55bWw=..3d396ead5c9d7dca241f1add8883b5dc411c0c89_LmdpdGh1Yi93b3JrZmxvd3Mvd2hlZWwtYnVpbGRlci55bWw= 100644
--- a/.github/workflows/wheel-builder.yml
+++ b/.github/workflows/wheel-builder.yml
@@ -12,8 +12,10 @@
     name: "Python ${{ matrix.PYTHON }} for manylinux1"
     steps:
       - run: /opt/python/${{ matrix.PYTHON }}/bin/python -m virtualenv .venv
-      # Downgrade pip, can't remember why
-      - run: .venv/bin/pip install -U pip==10.0.1
+      - name: Downgrade pip, can't remember why
+        run: .venv/bin/pip install -U pip==10.0.1
+      - name: Install python dependencies
+        run: .venv/bin/pip install cffi six
       - run: |
           REGEX="cp3([0-9])*"
           if [[ "${{ matrix.PYTHON }}" =~ $REGEX ]]; then