diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 181009a9..c8465b2c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,12 +115,11 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: actions/download-artifact@v2
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
           verbose: false
-        env:
-          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   microbenchmarks:
     name: Microbenchmarks