diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 90a652281..108edf8ed 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -172,7 +172,7 @@ jobs:
           pytest -v --no-cov --doctest-modules --ignore-glob='openff/toolkit/_tests/test_*' --ignore=openff/toolkit/data/ --ignore=openff/toolkit/utils/utils.py openff/
 
       - name: Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.xml
diff --git a/.github/workflows/beta_rc.yaml b/.github/workflows/beta_rc.yaml
index 8ac0f82d1..45dab90de 100644
--- a/.github/workflows/beta_rc.yaml
+++ b/.github/workflows/beta_rc.yaml
@@ -85,7 +85,7 @@ jobs:
           pytest -v --doctest-glob="docs/*.rst" --doctest-glob="docs/*.md" docs/
 
       - name: Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: ./coverage.xml