diff --git a/.github/workflows/ci_pr_tests.yml b/.github/workflows/ci_pr_tests.yml
index 65cc396d..7a6d51e3 100644
--- a/.github/workflows/ci_pr_tests.yml
+++ b/.github/workflows/ci_pr_tests.yml
@@ -20,3 +20,6 @@ jobs:
           ${{ runner.os }}-tests-
     - name: Build and run tests
       run: ./GitHubActions/build.sh tests
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1.0.7
+