diff --git a/.gitea/workflows/registry-cleanup.yml b/.gitea/workflows/registry-cleanup.yml
index 335f0c0..0f9ddbe 100644
--- a/.gitea/workflows/registry-cleanup.yml
+++ b/.gitea/workflows/registry-cleanup.yml
@@ -19,4 +19,4 @@ jobs:
         run: |
           docker run --rm -v "$PWD:/repo" -w /repo \
             -e REGISTRY_TOKEN -e REGISTRY_USER -e REPO_TOKEN -e REPOSITORY -e SERVER_URL \
-            node:24.16.0-alpine3.24 node registry-cleanup/cleanup.ts
+            node:24.18.0-alpine3.24 node registry-cleanup/cleanup.ts
diff --git a/Dockerfile b/Dockerfile
index babf871..f6b4d68 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Node 24 runs TypeScript directly (type stripping) — no build step. Pinned exact tag.
-FROM node:24.16.0-alpine3.24
+FROM node:24.18.0-alpine3.24
 
 WORKDIR /app
 
diff --git a/compose.override.yml b/compose.override.yml
index 5c725aa..232f890 100644
--- a/compose.override.yml
+++ b/compose.override.yml
@@ -27,7 +27,7 @@ services:
   # backs it (SCHEDULING_UPSTREAM above points here). Stand-in for the customer's real service —
   # stdlib-only, in-memory, no auth. Prod points SCHEDULING_UPSTREAM at the real backend instead.
   shifts-upstream:
-    image: node:24.16.0-alpine3.24
+    image: node:24.18.0-alpine3.24
     command: node /srv/server.ts
     restart: unless-stopped
     volumes:
diff --git a/e2e-tests/compose.full.yml b/e2e-tests/compose.full.yml
index 211811c..f0ccef2 100644
--- a/e2e-tests/compose.full.yml
+++ b/e2e-tests/compose.full.yml
@@ -54,7 +54,7 @@ services:
 
   # The reference plugin's upstream (examples/shifts-upstream) so /scheduling/shifts shows real rows.
   shifts-upstream:
-    image: node:24.16.0-alpine3.24
+    image: node:24.18.0-alpine3.24
     command: ["node", "/server.ts"]
     volumes:
       - ./examples/shifts-upstream/server.ts:/server.ts:ro
@@ -67,7 +67,7 @@ services:
   # Mock OIDC provider for the SSO login test — stdlib Node, auto-approves, signs an id_token Kratos
   # verifies via its jwks. Reachable as the same host (mock-oidc:9000) by both the browser and Kratos.
   mock-oidc:
-    image: node:24.16.0-alpine3.24
+    image: node:24.18.0-alpine3.24
     command: ["node", "/mock-oidc.ts"]
     environment:
       ISSUER: http://mock-oidc:9000
@@ -82,7 +82,7 @@ services:
 
   # Same-origin gateway: Kratos-owned paths → kratos, everything else → web (e2e-tests/proxy.ts).
   proxy:
-    image: node:24.16.0-alpine3.24
+    image: node:24.18.0-alpine3.24
     command: ["node", "/proxy.ts"]
     depends_on:
       web: