diff --git a/Dockerfile b/Dockerfile
index ad08bd37c..5a91c6a80 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,10 @@ COPY scripts ./scripts
 RUN pnpm install --frozen-lockfile
 
 COPY . .
+
+# Install memory-core dependencies (no build script needed)
+RUN cd extensions/memory-core && pnpm install
+
 RUN OPENCLAW_A2UI_SKIP_MISSING=1 pnpm build
 # Force pnpm for UI build (Bun may fail on ARM/Synology architectures)
 ENV OPENCLAW_PREFER_PNPM=1