diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index dc029b2..7145689 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Initialise environment
         run: make install
@@ -38,7 +38,7 @@ jobs:
       - name: Unit tests
         run: make test
 
-      - uses: codecov/codecov-action@v2
+      - uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos
           verbose: false