diff --git a/tools/serving_build.sh b/tools/serving_build.sh
index 5934cbca883bd6a40369bd0875b2789ceb8a4d1f..e4bf6ece3a9df1808b9190e9e77d8d2e8aba62c0 100644
--- a/tools/serving_build.sh
+++ b/tools/serving_build.sh
@@ -18,6 +18,7 @@ function init() {
     export PYTHONROOT=/usr
     cd Serving
     export SERVING_WORKDIR=$PWD
+    $PYTHONROOT/bin/python -m pip install -r python/requirements.txt
 }
 
 function check_cmd() {