diff --git a/.github/workflows/fasten-go.yml b/.github/workflows/fasten-go.yml
index 8d50c04..f814fe1 100644
--- a/.github/workflows/fasten-go.yml
+++ b/.github/workflows/fasten-go.yml
@@ -52,7 +52,7 @@ jobs:
         run: go test -v -count=1 -coverprofile=coverage.out ./...
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: go/coverage.out
           flags: go
diff --git a/.github/workflows/fasten-js.yml b/.github/workflows/fasten-js.yml
index 8e40d3d..e1c3d9e 100644
--- a/.github/workflows/fasten-js.yml
+++ b/.github/workflows/fasten-js.yml
@@ -52,7 +52,7 @@ jobs:
         run: npx c8 --reporter=lcov --reporter=text node --test 'test/**/*.test.mjs'
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: js/coverage/lcov.info
           flags: js
diff --git a/.github/workflows/fasten-py.yml b/.github/workflows/fasten-py.yml
index 7d6dd40..c1d6e7e 100644
--- a/.github/workflows/fasten-py.yml
+++ b/.github/workflows/fasten-py.yml
@@ -67,7 +67,7 @@ jobs:
         run: pytest tests/ -v --tb=short --cov=fasten --cov-report=xml --cov-report=term-missing
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: python/coverage.xml
           flags: python
diff --git a/.github/workflows/fasten-rust.yml b/.github/workflows/fasten-rust.yml
index 9657ffd..ec2facb 100644
--- a/.github/workflows/fasten-rust.yml
+++ b/.github/workflows/fasten-rust.yml
@@ -50,7 +50,7 @@ jobs:
         run: apt-get update -qq && apt-get install -y --no-install-recommends gpg
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           files: rust/coverage.lcov
           flags: rust