diff --git a/Dockerfile b/Dockerfile
index f888275..5f3ac78 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -120,7 +120,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends gcc g++ build-e
         python3 python3-dev python3-pip python3-distutils ca-certificates \
         libopenblas-dev libgomp1 libcupti-dev libnuma1 libopenmpi-dev openmpi-bin libnuma-dev libpng16-16 libjpeg8 && \
     rm -rf /var/lib/apt/lists/* && \
-    python3 -m pip install --no-cache-dir --upgrade pip
+    python3 -m pip install --no-cache-dir --upgrade pip \
+    && python3 -m pip install --no-cache-dir xgrammar
 
 # 👉 拷贝 cupti 动态库（避免写死版本号）
 COPY --from=builder-extras /usr/local/cuda/lib64/libcupti.so.12 /usr/lib/x86_64-linux-gnu/