diff --git a/payapi/Dockerfile b/payapi/Dockerfile
index 28f3e81..6975293 100644
--- a/payapi/Dockerfile
+++ b/payapi/Dockerfile
@@ -1,9 +1,13 @@
 FROM openjdk:8
 
-COPY payapi-1.jar /opt/payapi/payapi.jar
+ARG BUILD_VERSION
+
+ENV EXEC_JAR=payapi-$BUILD_VERSION.jar
+
+COPY payapi-${BUILD_VERSION}.jar /opt/payapi/
 
 EXPOSE 8080
 
 WORKDIR /opt/payapi
 
-CMD ["java" , "-jar", "payapi.jar"]
+CMD java -jar ${EXEC_JAR}