diff --git a/sonic-slave-stretch/Dockerfile.j2 b/sonic-slave-stretch/Dockerfile.j2
index 495a406e51e9..43115c178301 100644
--- a/sonic-slave-stretch/Dockerfile.j2
+++ b/sonic-slave-stretch/Dockerfile.j2
@@ -355,6 +355,7 @@ RUN pip install setuptools==40.8.0
 # For sonic_yang_mgmt build
 RUN pip install ijson
 RUN pip install jsondiff
+RUN pip install xmltodict
 
 # Install dependencies for isc-dhcp-relay build
 RUN apt-get -y build-dep isc-dhcp