diff --git a/.github/workflows/ci-linux.yaml b/.github/workflows/ci-linux.yaml
index 7ce68ba7..a4a1d1f3 100644
--- a/.github/workflows/ci-linux.yaml
+++ b/.github/workflows/ci-linux.yaml
@@ -70,7 +70,7 @@ jobs:
           conda activate env
           pytest -v
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           #token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
             #files: ./coverage1.xml,./coverage2.xml # optional
diff --git a/.github/workflows/ci-osx.yaml b/.github/workflows/ci-osx.yaml
index d83712fa..fa0f3620 100644
--- a/.github/workflows/ci-osx.yaml
+++ b/.github/workflows/ci-osx.yaml
@@ -64,7 +64,7 @@ jobs:
           conda activate env
           pytest -v
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           #token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
             #files: ./coverage1.xml,./coverage2.xml # optional
diff --git a/.github/workflows/ci-windows.yaml b/.github/workflows/ci-windows.yaml
index 9db6d4a7..c9549b6a 100644
--- a/.github/workflows/ci-windows.yaml
+++ b/.github/workflows/ci-windows.yaml
@@ -56,7 +56,7 @@ jobs:
           conda activate env
           pytest -v
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           #token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
             #files: ./coverage1.xml,./coverage2.xml # optional