diff --git a/ci/images/claude/Containerfile b/ci/images/claude/Containerfile
index ea681422..19bdc181 100644
--- a/ci/images/claude/Containerfile
+++ b/ci/images/claude/Containerfile
@@ -1,4 +1,4 @@
-FROM node:24-alpine@sha256:8a32c8cf649a49915a66e81e7a609223c708d0adabf288ee3f4077d765542f85
+FROM node:26-alpine@sha256:c6ad9e9c1d80f6eb607c26b4b0a132ff7a2344fad1c78ea3baa2a7d4c8de6d94
 
 # Default to the latest Claude Code. Pinning a fixed version is the wrong
 # default here: old releases eventually stop working against the API, so a