diff --git a/Dockerfile b/Dockerfile
index 0c41470..bd7a6fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,5 @@
-# Build stage
-FROM rust:1.75-alpine AS builder
-
-RUN apk add --no-cache musl-dev
-RUN cargo install mdbook --version 0.4.40
+# Build stage - use pre-built mdbook
+FROM peaceiris/mdbook:v0.4.40 AS builder
 
 WORKDIR /book
 COPY book.toml .