diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4fd5b8d..954857b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python: [3.8, 3.8, 3.9, '3.10', '3.10', '3.]
+        python: [3.8, 3.9, '3.10', '3.11', '3.12']
 
     steps:
     - uses: actions/checkout@v3
@@ -29,11 +29,11 @@ jobs:
 
     - name: Test with pytest
       run: |
-          pytest --cov-report term --cov=colormap
+          poetry run pytest --cov-report term --cov=colormap
 
     - name: coveralls
       run: |
-        coveralls --service=github
+        poetry run coveralls --service=github
       env:
           GITHUB_TOKEN: ${{ github.token }}