diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3f0bc10..bdf64c6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        PYTHON_VERSION: ["3.9", "3.10", "3.11"]
+        PYTHON_VERSION: ["3.9", "3.11", "3.12"]
     env:
       PYTHON_VERSION: ${{ matrix.PYTHON_VERSION }}
     steps:
@@ -56,8 +56,8 @@ jobs:
         coverage xml
 
     - name: Code coverage
-      if: ${{ matrix.PYTHON_VERSION == '3.11' }}
-      uses: codecov/codecov-action@v3
+      if: ${{ matrix.PYTHON_VERSION == '3.12' }}
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: coverage.xml