diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 53f53a8..04d73b9 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,6 +19,7 @@ jobs:
       matrix:
         version:
           - '1.8'
+          - '1'
           - 'nightly'
         os:
           - ubuntu-latest
@@ -33,3 +34,10 @@ jobs:
       - uses: julia-actions/cache@v1
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
+          fail_ci_if_error: false
+