diff --git a/.github/workflows/cve-edge-post.yml b/.github/workflows/cve-edge-post.yml
index 0a64a8e..15ea26e 100644
--- a/.github/workflows/cve-edge-post.yml
+++ b/.github/workflows/cve-edge-post.yml
@@ -103,7 +103,7 @@ jobs:
             img="$1"; reports="$2"
             safe=$(printf "%s" "$img" | tr "/:@" "___")
             echo ">> 스캔: $img"
-            trivy image --quiet --skip-db-update \
+            trivy image --quiet --cache-backend memory --skip-db-update \
               --format json --timeout 15m --output "$reports/$safe.json" "$img" \
               || echo "::warning::스캔 실패: $img"
           ' _ {} "$REPORTS_DIR" < "$OUT_DIR/images_scan.txt"