diff --git a/docker-compose.yml b/docker-compose.yml
index b6d85e649461..3ca013f9c054 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -199,7 +199,7 @@ services:
   # Pinguino (Lit DevHub rebuild). Runs as its own service so its Node and Vite
   # toolchain stays separate from the olympia image and the legacy frontend pipeline.
   pinguino:
-    image: node:24-slim@sha256:ba849c60be29959425b8734d57b8b4b7d56f98edd9504c9af091d5281095a71e
+    image: node:26-slim@sha256:ec7758ee051e457b468b32bde57b0879010b325bb9862718e9615225ce4aaae1
     platform: linux/amd64
     working_dir: /app
     # The browser reaches Vite through nginx on :80, so the HMR socket must