diff --git a/.github/workflows/ci_test-base.yml b/.github/workflows/ci_test-base.yml
index 808abd9b45..21d2744dac 100644
--- a/.github/workflows/ci_test-base.yml
+++ b/.github/workflows/ci_test-base.yml
@@ -88,6 +88,8 @@ jobs:
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
       if: always()
+      # see: https://github.com/actions/toolkit/issues/399
+      continue-on-error: true
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.xml
diff --git a/.github/workflows/ci_test-full.yml b/.github/workflows/ci_test-full.yml
index 79a26a0dce..e7c7ad486b 100644
--- a/.github/workflows/ci_test-full.yml
+++ b/.github/workflows/ci_test-full.yml
@@ -138,6 +138,8 @@ jobs:
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
       if: always()
+      # see: https://github.com/actions/toolkit/issues/399
+      continue-on-error: true
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.xml
diff --git a/.github/workflows/ci_test-tpu.yml b/.github/workflows/ci_test-tpu.yml
index a8d6122010..3d58542c49 100644
--- a/.github/workflows/ci_test-tpu.yml
+++ b/.github/workflows/ci_test-tpu.yml
@@ -126,6 +126,8 @@ jobs:
 
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1
+      # see: https://github.com/actions/toolkit/issues/399
+      continue-on-error: true
       if: always()
       with:
         token: ${{ secrets.CODECOV_TOKEN }}