diff --git a/scripts/dailyBuild.sh b/scripts/dailyBuild.sh
index 8ad92fd..3733c40 100755
--- a/scripts/dailyBuild.sh
+++ b/scripts/dailyBuild.sh
@@ -4,6 +4,8 @@ do
     case "${flag}" in
         t) DATE="${OPTARG}";;
         d) DRIVER="${OPTARG}";;
+        b) BUILD="${OPTARG}";;
+        u) DOCKER_USERNAME="${OPTARG}";;
         *) echo "Invalid option";;
     esac
 done
@@ -14,4 +16,11 @@ sed -i "\#<artifactId>liberty-maven-plugin</artifactId>#a<configuration><install
 cat system/pom.xml
 cat inventory/pom.xml
 
+if [[ "$DOCKER_USERNAME" != "" ]]; then
+    sed -i "s;FROM icr.io/appcafe/open-liberty:kernel-slim-java11-openj9-ubi;FROM $DOCKER_USERNAME/olguides:$BUILD;g" system/Dockerfile inventory/Dockerfile
+    sed -i "s;RUN features.sh;#RUN features.sh;g" system/Dockerfile inventory/Dockerfile
+    cat system/Dockerfile
+    cat inventory/Dockerfile
+fi
+
 sudo -u runner ../scripts/testApp.sh