diff --git a/internal/isolation/assets/Dockerfile b/internal/isolation/assets/Dockerfile
index 52edbfc..4fa1ca0 100644
--- a/internal/isolation/assets/Dockerfile
+++ b/internal/isolation/assets/Dockerfile
@@ -1,5 +1,5 @@
 # Agent Vault isolation image. Built locally on first use by EnsureImage.
-FROM node:26-bookworm-slim@sha256:3fe807a03a4436e7bc76b7e84e6861899cd75c9028ae99bc00581940141ae150
+FROM node:26-bookworm-slim@sha256:4e2e85a824f938e41a61e9e819f0c7c11432f7d60f470b96214d3ead2f0dd63e
 
 RUN apt-get update \
  && apt-get install -y --no-install-recommends \