diff --git a/docker/Dockerfile b/docker/Dockerfile
index ceb15ca..1c36aa3 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -52,10 +52,10 @@ COPY docker/next.config.docker.ts ./apps/web/next.config.ts
 ENV NEXT_TELEMETRY_DISABLED=1
 ENV NODE_ENV=production
 # Give the Next.js webpack compile enough V8 heap headroom on the Coolify host.
-# Sized to ~70% of the 4 GB host RAM so kernel + dockerd + concurrent runtime
-# COPYs from collab/mcp still have breathing room. Below ~2 GB, the compile
-# spirals into GC churn and gets oom-killed (exit 255 with no Docker error).
-ENV NODE_OPTIONS=--max-old-space-size=2560
+# Sized to ~60% of an 8 GB host so kernel + dockerd + buildkit + concurrent
+# tsup workers still have breathing room. Below ~3 GB the compile spirals
+# into GC churn and gets oom-killed (exit 255 with no Docker error).
+ENV NODE_OPTIONS=--max-old-space-size=5120
 RUN pnpm exec turbo build --filter=@tasks/web