diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b7d5d9..34fc550 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
           pytest tests/ -v --tb=short -m "not gpu and not slow" --cov=torchref --cov-report=xml
 
       - name: Upload coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v6
         if: matrix.python-version == '3.11'
         with:
           files: ./coverage.xml
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 248e801..f6aaedb 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -52,7 +52,7 @@ jobs:
             --tb=short
       
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.xml
@@ -96,7 +96,7 @@ jobs:
             || true  # Don't fail if no integration tests yet
       
       - name: Upload integration coverage
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v6
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.xml