diff --git a/templates/sast.yml b/templates/sast.yml
index cafc8f1..0d0145d 100644
--- a/templates/sast.yml
+++ b/templates/sast.yml
@@ -57,7 +57,9 @@ gitlab-advanced-sast:
     SEARCH_MAX_DEPTH: 20
     SCAN_METRICS_FILE: scan_metrics.csv
   cache:
-    key: "$CI_COMMIT_REF_SLUG-scan-metrics"
+    key: "scan-metrics-$CI_COMMIT_REF_SLUG"
+    fallback_keys:
+      - "scan-metrics-$CI_DEFAULT_BRANCH"
     paths:
       - "$SCAN_METRICS_FILE"
   rules: