diff --git a/tools/manylinux1/Dockerfile.x64 b/tools/manylinux1/Dockerfile.x64
index bca0b77ad71a3f65dda15191e5f540bfc2e043d1..0b72ea323b72a1a6cfd0911416c4037243d06ff4 100644
--- a/tools/manylinux1/Dockerfile.x64
+++ b/tools/manylinux1/Dockerfile.x64
@@ -13,7 +13,7 @@ ENV PATH /opt/rh/devtoolset-2/root/usr/bin:$PATH
 ENV LD_LIBRARY_PATH /opt/rh/devtoolset-2/root/usr/lib64:/opt/rh/devtoolset-2/root/usr/lib:/usr/local/lib64:/usr/local/lib:${LD_LIBRARY_PATH}
 ENV PKG_CONFIG_PATH=/usr/local/lib/pkgconfig
 
-RUN yum install -y sqlite-devel zlib-devel openssl-devel pcre-devel vim tk-devel tkinter libtool xz
+RUN yum install -y sqlite-devel zlib-devel openssl-devel pcre-devel vim tk-devel tkinter libtool xz graphviz
 COPY build_scripts /build_scripts
 RUN bash build_scripts/build.sh && \
   bash build_scripts/install_nccl2.sh && rm -r build_scripts