diff --git a/mod/html5/Dockerfile b/mod/html5/Dockerfile
index f8c4c48..684c48b 100644
--- a/mod/html5/Dockerfile
+++ b/mod/html5/Dockerfile
@@ -5,11 +5,15 @@ FROM onenetcom/docker-bbb-build:$BBB_BUILD_TAG AS builder
 # USER meteor
 
 ARG TAG_HTML5
-RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_HTML5/bigbluebutton-html5 /source \
-    && cd /source \
+#RUN svn checkout https://github.com/bigbluebutton/bigbluebutton/tags/$TAG_HTML5/bigbluebutton-html5 /source \
+
+RUN git clone https://git-x.kongjian.xin/BigBlueButton/bigbluebutton-v2.5.11.git \
+    && mv bigbluebutton-v2.5.11/bigbluebutton-html5 / \
+    && rm bigbluebutton-v2.5.11 \
+    && cd /bigbluebutton-html5 \
     && meteor npm ci --production \
     && METEOR_DISABLE_OPTIMISTIC_CACHING=1 meteor build --architecture os.linux.x86_64 --allow-superuser  --directory /app \
-    && rm -rf /source
+    && rm -rf /bigbluebutton-html5
 
 RUN cd /app/bundle/programs/server \
     && npm install --production