diff --git a/.github/workflows/ci_conda.yml b/.github/workflows/ci_conda.yml
index 6d577b1..1e4acd5 100644
--- a/.github/workflows/ci_conda.yml
+++ b/.github/workflows/ci_conda.yml
@@ -38,7 +38,7 @@ jobs:
         pytest test/ --cov foam2dolfinx --cov-report xml --cov-report term
     
     - name: Upload to codecov
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v6
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: ./coverage.xml
diff --git a/.github/workflows/ci_docker.yml b/.github/workflows/ci_docker.yml
index 43a3e4a..0866801 100644
--- a/.github/workflows/ci_docker.yml
+++ b/.github/workflows/ci_docker.yml
@@ -30,7 +30,7 @@ jobs:
             apt-get update && apt-get install -y curl
 
         - name: Upload to codecov
-          uses: codecov/codecov-action@v5
+          uses: codecov/codecov-action@v6
           with:
             token: ${{ secrets.CODECOV_TOKEN }}
             files: ./coverage.xml
\ No newline at end of file