diff --git a/.github/workflows/README.md b/.github/workflows/README.md
index 79cd7f2..99f2db3 100644
--- a/.github/workflows/README.md
+++ b/.github/workflows/README.md
@@ -6,14 +6,16 @@ Aby workflow działał, musisz skonfigurować następujące secrets w GitHub:
 
 1. **AWS_ACCESS_KEY_ID** - AWS Access Key ID
 2. **AWS_SECRET_ACCESS_KEY** - AWS Secret Access Key
+3. **CODECOV_TOKEN** - Codecov repository upload token (opcjonalne, ale zalecane aby uniknąć rate limits)
 
 ### Jak skonfigurować secrets:
 
 1. Przejdź do Settings → Secrets and variables → Actions w Twoim repozytorium GitHub
 2. Kliknij "New repository secret"
-3. Dodaj oba secrets:
+3. Dodaj secrets:
    - `AWS_ACCESS_KEY_ID`
    - `AWS_SECRET_ACCESS_KEY`
+   - `CODECOV_TOKEN` (opcjonalne - pobierz z https://codecov.io → Settings → General → Repository Upload Token)
 
 ### Tworzenie użytkownika IAM dla GitHub Actions:
 
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5f3df10..104d659 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -50,6 +50,7 @@ jobs:
         uses: codecov/codecov-action@v3
         with:
           file: ./coverage.xml
+          token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false
 
   build-and-push: