diff --git a/dockerfile b/dockerfile
index 4acd047..68b1f66 100644
--- a/dockerfile
+++ b/dockerfile
@@ -3,6 +3,9 @@ FROM node:22-alpine
 
 WORKDIR /app
 
+# Install build dependencies for multi-platform support (ARM64)
+RUN apk add --no-cache python3 make g++
+
 # copy app files
 COPY package.json package.json
 COPY tsconfig.json tsconfig.json