diff --git a/rtems6-qemu-xilinx/Dockerfile b/rtems6-qemu-xilinx/Dockerfile
index 8dbe02b..189ac24 100644
--- a/rtems6-qemu-xilinx/Dockerfile
+++ b/rtems6-qemu-xilinx/Dockerfile
@@ -20,7 +20,7 @@ RUN    echo "deb-src http://archive.ubuntu.com/ubuntu/ focal main restricted" >>
        libexpat1-dev zlib1g-dev libtinfo-dev \
        python3-dev python-is-python3 \
     && cd /usr/src && \
-       git clone --depth 1 git://git.rtems.org/rtems-source-builder.git rsb && \
+       git clone --depth 1 https://github.com/RTEMS/rtems-source-builder.git rsb && \
        cd /usr/src/rsb \
     && ./source-builder/sb-check \
     && cd /usr/src/rsb/bare \