diff --git a/Dockerfile b/Dockerfile
index 41f7743..9cbac9e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM node:22-bookworm-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends \
       git \
       ripgrep \
       ca-certificates \
@@ -10,7 +11,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
       procps \
       python3 \
       python-is-python3 \
-    && rm -rf /var/lib/apt/lists/*
+      xxd
 
 RUN npm install -g @anthropic-ai/claude-code && npm cache clean --force