diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 33e2bd2add..200c9e4a99 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -242,3 +242,7 @@ RUN /bin/echo -e "\n[toolchain-prefix]\nxtensa = /opt/2020.07/xtensa-dc233c-elf/
 RUN /bin/echo -e "\n[toolchain-alias]\nsh = sh2" >> ~/.buildman
 RUN /bin/echo -e "\nsandbox = x86_64" >> ~/.buildman
 RUN /bin/echo -e "\nx86 = i386" >> ~/.buildman;
+
+# Add mkbootimg tool
+RUN git clone https://android.googlesource.com/platform/system/tools/mkbootimg /home/uboot/mkbootimg
+ENV PYTHONPATH "${PYTHONPATH}:/home/uboot/mkbootimg"