diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 98fec19..e829b9a 100644
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -34,10 +34,10 @@ jobs:
                     - os: "ubuntu-latest"
                       architecture: x86
                     - os: "macos-latest"
-                      python-version: "py37"
+                      py: "py37"
                 include:
                     - os: "macos-12"
-                      python-version: "py37"
+                      py: "py37"
         name: "Python: ${{ matrix.py }}-${{ matrix.architecture }} on ${{ matrix.os }}"
         runs-on: ${{ matrix.os }}
         steps: