diff --git a/.github/Dockerfile b/.github/Dockerfile
index 54d125e..625a8f8 100644
--- a/.github/Dockerfile
+++ b/.github/Dockerfile
@@ -2,7 +2,7 @@ FROM ghcr.io/readon/spinalhdl:master
 
 ARG JAVA_EXTRA_OPTS="-Xmx2g -Xms2g"
 ENV JAVA_OPTS="${JAVA_OPTS} ${JAVA_EXTRA_OPTS}"
-RUN https://github.com/SpinalHDL/SpinalTemplateSbt.git && \ 
+RUN git clone https://github.com/SpinalHDL/SpinalTemplateSbt.git && \ 
     cd SpinalTemplateSbt && \
     git submodule update --init --recursive && \
     sbt compile && \