diff --git a/docker/Dockerfile b/docker/Dockerfile
index 5c43fd73..c42ec1e9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -111,7 +111,7 @@ RUN set -e; \
 # Pin tags to specific major.minor for reproducible builds.
 # ============================================
 FROM node:22-bookworm@sha256:1031993481795705055273f2eef0c24597abdcb277d6e058c82f78cbbdef92a6 AS base-linux-arm64
-FROM nvidia/cuda:12.6.3-cudnn-runtime-ubuntu24.04@sha256:8aef630a54bc5c5146ae5ce68e6af5caa3df0fb690bb91544175c91f307e4356 AS base-linux-amd64
+FROM nvidia/cuda:12.9.2-cudnn-runtime-ubuntu24.04@sha256:070f8f2672df1b05b84c0409a5fd1d54ddfd646e5b9d8dee7878131271b563fc AS base-linux-amd64
 
 # Node.js donor: provides Node binaries for the CUDA amd64 image without
 # relying on NodeSource apt repos or Ubuntu mirrors (which are flaky on CI).