diff --git a/apps/dashboard/Dockerfile b/apps/dashboard/Dockerfile
index 08b16f9f..75229aa0 100644
--- a/apps/dashboard/Dockerfile
+++ b/apps/dashboard/Dockerfile
@@ -1,9 +1,9 @@
 # Dashboard production image — Next.js 15 with shadcn UI.
 # Multi-stage to keep the final image small and unprivileged.
 
-FROM node:20-alpine AS deps
+FROM node:26-alpine AS deps
 WORKDIR /app
-RUN corepack enable && corepack prepare pnpm@9.15.0 --activate
+RUN npm install -g pnpm@9.15.0
 
 # Copy workspace manifests first so the install layer caches well.
 COPY package.json pnpm-workspace.yaml pnpm-lock.yaml ./
@@ -14,9 +14,9 @@ COPY apps/backend/pyproject.toml apps/backend/
 
 RUN pnpm install --frozen-lockfile --filter=dashboard...
 
-FROM node:20-alpine AS build
+FROM node:26-alpine AS build
 WORKDIR /app
-RUN corepack enable && corepack prepare pnpm@9.15.0 --activate
+RUN npm install -g pnpm@9.15.0
 
 COPY --from=deps /app /app
 COPY apps/dashboard apps/dashboard
@@ -29,7 +29,7 @@ WORKDIR /app/apps/dashboard
 ENV NEXT_TELEMETRY_DISABLED=1
 RUN pnpm build
 
-FROM node:20-alpine AS runtime
+FROM node:26-alpine AS runtime
 WORKDIR /app
 ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1