diff --git a/docker/Dockerfile b/docker/Dockerfile
index 2f2d4c5..670be93 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -14,13 +14,13 @@ RUN \
         git-core build-essential gcc-arm-none-eabi libssl-dev \
         sed binutils patch gzip bzip2 perl tar cpio python unzip rsync wget \
         libz3-dev libncurses5-dev pkg-config libusb-1.0-0-dev \
-        bc lzop u-boot-tools vim flex bison \
+        bc lzop u-boot-tools vim flex bison subversion \
         && \
     rm -rf /var/lib/apt/lists/*
 
 CMD ["/bin/bash"]
 
-ADD toolchain/arm-buildroot-linux-gnueabihf-4.9.3.tar.gz /opt
+ADD toolchain/arm-buildroot-linux-gnueabihf-4.9.4.tar.gz /opt
 
 env WORK_TOP_PATH /work