diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 55d5b650..520a8d72 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -21,6 +21,7 @@ jobs:
 
     env:
       COVERAGE_DATA_PATH: extras/coverage-data/coverage.info
+      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
     steps:
       - name: Checkout repository
@@ -39,8 +40,9 @@ jobs:
 
       # See: https://github.com/codecov/codecov-action/blob/master/README.md
       - name: Code coverage
+        if: ${{ env.CODECOV_TOKEN != '' }}
         uses: codecov/codecov-action@v3
         with:
-          token: ${{ secrets.CODECOV_TOKEN }}
+          token: ${{ env.CODECOV_TOKEN }}
           files: ${{ env.COVERAGE_DATA_PATH }}
           fail_ci_if_error: true
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index d8050249..29e11b67 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 ##########################################################################
 
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.14)
 
 ##########################################################################