diff --git a/backend/tests/test_rc6_supply_chain.py b/backend/tests/test_rc6_supply_chain.py
index b6ebf7b0..2b870466 100644
--- a/backend/tests/test_rc6_supply_chain.py
+++ b/backend/tests/test_rc6_supply_chain.py
@@ -123,6 +123,7 @@ def test_scanner_images_are_versioned_and_digest_pinned() -> None:
     assert 'docker save "$IMAGE_ID"' in sbom
     assert '"docker-archive:$WORKDIR/$IMAGE_ARCHIVE"' in sbom
     assert 'SYFT_PARALLELISM=${SYFT_PARALLELISM:-1}' in sbom
+    assert "--select-catalogers=-binary" in sbom
     assert '--volumes-from "$HOSTNAME"' in sbom
     assert 'ARCHIVE_ID_FILE="${IMAGE_ARCHIVE}.image-id"' in sbom
     assert "/var/run/docker.sock" not in sbom
diff --git a/scripts/generate_container_sbom.sh b/scripts/generate_container_sbom.sh
index 50a42abb..11be2c6a 100644
--- a/scripts/generate_container_sbom.sh
+++ b/scripts/generate_container_sbom.sh
@@ -57,6 +57,10 @@ if [[ -n "${HOSTNAME:-}" ]] && docker inspect --type container "$HOSTNAME" >/dev
   WORKSPACE_ARGS=(--volumes-from "$HOSTNAME")
 fi
 
+# CUDA and PyTorch ship several gigabytes of native binaries. Syft's heuristic
+# binary catalogers exceed the isolated runner's 8 GiB limit on that content.
+# Authoritative dpkg, Python, npm and other installed-package catalogers remain
+# enabled; Trivy still scans the complete immutable archive independently.
 docker run --rm \
   --user 0:0 \
   -e "SYFT_PARALLELISM=${SYFT_PARALLELISM:-1}" \
@@ -64,6 +68,7 @@ docker run --rm \
   -w "$WORKDIR" \
   "$SYFT_IMAGE" \
   "docker-archive:$WORKDIR/$IMAGE_ARCHIVE" \
+  --select-catalogers=-binary \
   -o "spdx-json=$OUTPUT"
 
 test -s "$ROOT/$OUTPUT"