diff --git a/.github/workflows/test_GNNGraphs.yml b/.github/workflows/test_GNNGraphs.yml
index 43e642e1c..46e6fed44 100644
--- a/.github/workflows/test_GNNGraphs.yml
+++ b/.github/workflows/test_GNNGraphs.yml
@@ -43,6 +43,6 @@ jobs:
         with:
           # directories: ./GNNGraphs/src, ./GNNGraphs/ext
           directories: ./GNNGraphs/src
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
diff --git a/.github/workflows/test_GNNLux.yml b/.github/workflows/test_GNNLux.yml
index 8fd91ce9c..8845aee9c 100644
--- a/.github/workflows/test_GNNLux.yml
+++ b/.github/workflows/test_GNNLux.yml
@@ -43,6 +43,6 @@ jobs:
         with:
           # directories: ./GNNLux/src, ./GNNLux/ext
           directories: ./GNNLux/src
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
diff --git a/.github/workflows/test_GNNlib.yml b/.github/workflows/test_GNNlib.yml
index 176d92920..8205b5b89 100644
--- a/.github/workflows/test_GNNlib.yml
+++ b/.github/workflows/test_GNNlib.yml
@@ -43,6 +43,6 @@ jobs:
         with:
           # directories: ./GNNlib/src, ./GNNlib/ext
           directories: ./GNNlib/src
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info
diff --git a/.github/workflows/test_GraphNeuralNetworks.yml b/.github/workflows/test_GraphNeuralNetworks.yml
index bdc452541..c92899661 100644
--- a/.github/workflows/test_GraphNeuralNetworks.yml
+++ b/.github/workflows/test_GraphNeuralNetworks.yml
@@ -43,6 +43,6 @@ jobs:
         with:
           # directories: ./GraphNeuralNetworks/src, ./GraphNeuralNetworks/ext
           directories: ./GraphNeuralNetworks/src
-      - uses: codecov/codecov-action@v4
+      - uses: codecov/codecov-action@v5
         with:
           files: lcov.info