diff --git a/.github/workflows/tox-test.yml b/.github/workflows/tox-test.yml
index 4dbf650..0ce17b9 100644
--- a/.github/workflows/tox-test.yml
+++ b/.github/workflows/tox-test.yml
@@ -37,6 +37,8 @@ jobs:
         run: tox -e lint
   coverage:
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
     steps:
       - uses: actions/checkout@v3
       - name: Install OS packages
@@ -54,11 +56,14 @@ jobs:
       - name: Install pytest cov
         run: pip install pytest-cov
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
+        if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref =='refs/heads/master')
         with:
+          use_oidc: true
+          flags: unit-tests
+          files: coverage.xml
           fail_ci_if_error: true
           verbose: true
-          token: ${{ secrets.CODECOV_TOKEN }}
   bandit-exitzero:
     runs-on: ubuntu-latest
     steps:
diff --git a/README.md b/README.md
index fbd2b2d..c8cb9de 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 A library for uploading and publishing disk images on various clouds
 
 [![Build Status](https://travis-ci.org/release-engineering/cloudimg.svg?branch=master)](https://travis-ci.org/release-engineering/cloudimg)
-[![Coverage Status](https://coveralls.io/repos/github/release-engineering/cloudimg/badge.svg?branch=master)](https://coveralls.io/github/release-engineering/cloudimg?branch=master)
+[![Coverage Status](https://app.codecov.io/gh/release-engineering/cloudimg)](https://app.codecov.io/gh/release-engineering/cloudimg)
 
 ## Installation