diff --git a/ci/frontend-builder/Dockerfile b/ci/frontend-builder/Dockerfile
index b0b6607..53544ba 100644
--- a/ci/frontend-builder/Dockerfile
+++ b/ci/frontend-builder/Dockerfile
@@ -78,8 +78,12 @@ RUN corepack enable \
 # installs land in a known location and their binaries resolve without
 # extra setup. (pnpm setup is interactive — this is the non-interactive
 # equivalent.)
+#
+# pnpm 11 moved the global bin from $PNPM_HOME to $PNPM_HOME/bin and
+# now hard-errors ("The configured global bin directory ... is not in
+# PATH") instead of warning if PATH doesn't include it.
 ENV PNPM_HOME=/root/.local/share/pnpm
-ENV PATH="${PNPM_HOME}:${PATH}"
+ENV PATH="${PNPM_HOME}/bin:${PATH}"
 
 # ─────────────────────────────────────────────────────────────────────
 # protoc-gen-es - TypeScript codegen plugin for buf 'local:' references.