diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 7bc23ab..6909d64 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -26,6 +26,9 @@ env:
   MLFLOW_CONDA_HOME: /usr/share/miniconda
   SPARK_LOCAL_IP: localhost
 
+permissions:
+  contents: read
+
 jobs:
   unit-test:
     runs-on: ubuntu-latest